Home / 67,805.13-93,574.17-38,736.07

Finding the Fourth Proportional to 67,805.13, 93,574.17 and 38,736.07

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Solution

The fourth proportional to 67,805.13, 93,574.17 and 38,736.07 is: 53,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,805.13 : 93,574.17 = 38,736.07 : x
  2. Step 2: Convert to fraction form
    67,805.13/93,574.17 = 38,736.07/x
  3. Step 3: Cross multiply
    67,805.13x = 93,574.17 × 38,736.07
  4. Step 4: Simplify right side
    67,805.13x = 3,624,695,365.38
  5. Step 5: Solve for x
    x = 3,624,695,365.38/67,805.13
  6. Step 6: Final answer
    x = 53,457.54

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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.