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Finding the Fourth Proportional to 89,230.83, 123,148.83 and 53,420.82

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Solution

The fourth proportional to 89,230.83, 123,148.83 and 53,420.82 is: 73,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.83 : 123,148.83 = 53,420.82 : x
  2. Step 2: Convert to fraction form
    89,230.83/123,148.83 = 53,420.82/x
  3. Step 3: Cross multiply
    89,230.83x = 123,148.83 × 53,420.82
  4. Step 4: Simplify right side
    89,230.83x = 6,578,711,480.64
  5. Step 5: Solve for x
    x = 6,578,711,480.64/89,230.83
  6. Step 6: Final answer
    x = 73,726.89

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1.5x scale

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.