Home / 93,839.09-129,499.83-51,397.65

Finding the Fourth Proportional to 93,839.09, 129,499.83 and 51,397.65

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Solution

The fourth proportional to 93,839.09, 129,499.83 and 51,397.65 is: 70,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,839.09 : 129,499.83 = 51,397.65 : x
  2. Step 2: Convert to fraction form
    93,839.09/129,499.83 = 51,397.65/x
  3. Step 3: Cross multiply
    93,839.09x = 129,499.83 × 51,397.65
  4. Step 4: Simplify right side
    93,839.09x = 6,655,986,937.40
  5. Step 5: Solve for x
    x = 6,655,986,937.40/93,839.09
  6. Step 6: Final answer
    x = 70,929.79

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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.