Home / 98,332.77-147,376.17-42,107.43

Finding the Fourth Proportional to 98,332.77, 147,376.17 and 42,107.43

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Solution

The fourth proportional to 98,332.77, 147,376.17 and 42,107.43 is: 63,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332.77 : 147,376.17 = 42,107.43 : x
  2. Step 2: Convert to fraction form
    98,332.77/147,376.17 = 42,107.43/x
  3. Step 3: Cross multiply
    98,332.77x = 147,376.17 × 42,107.43
  4. Step 4: Simplify right side
    98,332.77x = 6,205,631,761.94
  5. Step 5: Solve for x
    x = 6,205,631,761.94/98,332.77
  6. Step 6: Final answer
    x = 63,108.48

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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.