Home / 93,681.16-129,279.06-51,240.52

Finding the Fourth Proportional to 93,681.16, 129,279.06 and 51,240.52

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Solution

The fourth proportional to 93,681.16, 129,279.06 and 51,240.52 is: 70,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,681.16 : 129,279.06 = 51,240.52 : x
  2. Step 2: Convert to fraction form
    93,681.16/129,279.06 = 51,240.52/x
  3. Step 3: Cross multiply
    93,681.16x = 129,279.06 × 51,240.52
  4. Step 4: Simplify right side
    93,681.16x = 6,624,326,259.51
  5. Step 5: Solve for x
    x = 6,624,326,259.51/93,681.16
  6. Step 6: Final answer
    x = 70,711.40

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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.