Home / 94,700.78-142,035.66-38,538.62

Finding the Fourth Proportional to 94,700.78, 142,035.66 and 38,538.62

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Solution

The fourth proportional to 94,700.78, 142,035.66 and 38,538.62 is: 57,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,700.78 : 142,035.66 = 38,538.62 : x
  2. Step 2: Convert to fraction form
    94,700.78/142,035.66 = 38,538.62/x
  3. Step 3: Cross multiply
    94,700.78x = 142,035.66 × 38,538.62
  4. Step 4: Simplify right side
    94,700.78x = 5,473,857,617.01
  5. Step 5: Solve for x
    x = 5,473,857,617.01/94,700.78
  6. Step 6: Final answer
    x = 57,801.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.