Home / 89,187.81-123,077.77-48,901.92

Finding the Fourth Proportional to 89,187.81, 123,077.77 and 48,901.92

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Solution

The fourth proportional to 89,187.81, 123,077.77 and 48,901.92 is: 67,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.81 : 123,077.77 = 48,901.92 : x
  2. Step 2: Convert to fraction form
    89,187.81/123,077.77 = 48,901.92/x
  3. Step 3: Cross multiply
    89,187.81x = 123,077.77 × 48,901.92
  4. Step 4: Simplify right side
    89,187.81x = 6,018,739,262.32
  5. Step 5: Solve for x
    x = 6,018,739,262.32/89,187.81
  6. Step 6: Final answer
    x = 67,483.88

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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.