Home / 89,784.08-123,901.58-49,497.72

Finding the Fourth Proportional to 89,784.08, 123,901.58 and 49,497.72

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Solution

The fourth proportional to 89,784.08, 123,901.58 and 49,497.72 is: 68,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,784.08 : 123,901.58 = 49,497.72 : x
  2. Step 2: Convert to fraction form
    89,784.08/123,901.58 = 49,497.72/x
  3. Step 3: Cross multiply
    89,784.08x = 123,901.58 × 49,497.72
  4. Step 4: Simplify right side
    89,784.08x = 6,132,845,373.51
  5. Step 5: Solve for x
    x = 6,132,845,373.51/89,784.08
  6. Step 6: Final answer
    x = 68,306.60

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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.