Home / 98,545.17-147,818.57-42,381.39

Finding the Fourth Proportional to 98,545.17, 147,818.57 and 42,381.39

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Solution

The fourth proportional to 98,545.17, 147,818.57 and 42,381.39 is: 63,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,545.17 : 147,818.57 = 42,381.39 : x
  2. Step 2: Convert to fraction form
    98,545.17/147,818.57 = 42,381.39/x
  3. Step 3: Cross multiply
    98,545.17x = 147,818.57 × 42,381.39
  4. Step 4: Simplify right side
    98,545.17x = 6,264,756,252.51
  5. Step 5: Solve for x
    x = 6,264,756,252.51/98,545.17
  6. Step 6: Final answer
    x = 63,572.43

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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.