Home / 94,710.70-142,088.28-28,151.38

Finding the Fourth Proportional to 94,710.70, 142,088.28 and 28,151.38

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Solution

The fourth proportional to 94,710.70, 142,088.28 and 28,151.38 is: 42,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,710.70 : 142,088.28 = 28,151.38 : x
  2. Step 2: Convert to fraction form
    94,710.70/142,088.28 = 28,151.38/x
  3. Step 3: Cross multiply
    94,710.70x = 142,088.28 × 28,151.38
  4. Step 4: Simplify right side
    94,710.70x = 3,999,981,163.83
  5. Step 5: Solve for x
    x = 3,999,981,163.83/94,710.70
  6. Step 6: Final answer
    x = 42,233.68

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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.