Home / 93,648.36-129,210.75-55,406.10

Finding the Fourth Proportional to 93,648.36, 129,210.75 and 55,406.10

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Solution

The fourth proportional to 93,648.36, 129,210.75 and 55,406.10 is: 76,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,648.36 : 129,210.75 = 55,406.10 : x
  2. Step 2: Convert to fraction form
    93,648.36/129,210.75 = 55,406.10/x
  3. Step 3: Cross multiply
    93,648.36x = 129,210.75 × 55,406.10
  4. Step 4: Simplify right side
    93,648.36x = 7,159,063,735.58
  5. Step 5: Solve for x
    x = 7,159,063,735.58/93,648.36
  6. Step 6: Final answer
    x = 76,446.23

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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.