Home / 93,810.36-129,446.28-53,521.80

Finding the Fourth Proportional to 93,810.36, 129,446.28 and 53,521.80

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Solution

The fourth proportional to 93,810.36, 129,446.28 and 53,521.80 is: 73,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,810.36 : 129,446.28 = 53,521.80 : x
  2. Step 2: Convert to fraction form
    93,810.36/129,446.28 = 53,521.80/x
  3. Step 3: Cross multiply
    93,810.36x = 129,446.28 × 53,521.80
  4. Step 4: Simplify right side
    93,810.36x = 6,928,197,908.90
  5. Step 5: Solve for x
    x = 6,928,197,908.90/93,810.36
  6. Step 6: Final answer
    x = 73,853.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.