Home / 89,864.04-124,012.38-49,577.90

Finding the Fourth Proportional to 89,864.04, 124,012.38 and 49,577.90

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Solution

The fourth proportional to 89,864.04, 124,012.38 and 49,577.90 is: 68,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.04 : 124,012.38 = 49,577.90 : x
  2. Step 2: Convert to fraction form
    89,864.04/124,012.38 = 49,577.90/x
  3. Step 3: Cross multiply
    89,864.04x = 124,012.38 × 49,577.90
  4. Step 4: Simplify right side
    89,864.04x = 6,148,272,754.34
  5. Step 5: Solve for x
    x = 6,148,272,754.34/89,864.04
  6. Step 6: Final answer
    x = 68,417.50

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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.