Home / 89,939.25-124,000.79-73,746.90

Finding the Fourth Proportional to 89,939.25, 124,000.79 and 73,746.90

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Solution

The fourth proportional to 89,939.25, 124,000.79 and 73,746.90 is: 101,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.25 : 124,000.79 = 73,746.90 : x
  2. Step 2: Convert to fraction form
    89,939.25/124,000.79 = 73,746.90/x
  3. Step 3: Cross multiply
    89,939.25x = 124,000.79 × 73,746.90
  4. Step 4: Simplify right side
    89,939.25x = 9,144,673,491.32
  5. Step 5: Solve for x
    x = 9,144,673,491.32/89,939.25
  6. Step 6: Final answer
    x = 101,676.11

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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.