Home / 89,937.36-124,224-67,377.28

Finding the Fourth Proportional to 89,937.36, 124,224 and 67,377.28

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Solution

The fourth proportional to 89,937.36, 124,224 and 67,377.28 is: 93,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.36 : 124,224 = 67,377.28 : x
  2. Step 2: Convert to fraction form
    89,937.36/124,224 = 67,377.28/x
  3. Step 3: Cross multiply
    89,937.36x = 124,224 × 67,377.28
  4. Step 4: Simplify right side
    89,937.36x = 8,369,875,230.72
  5. Step 5: Solve for x
    x = 8,369,875,230.72/89,937.36
  6. Step 6: Final answer
    x = 93,063.39

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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.