Home / 89,835.18-123,973.13-49,550.03

Finding the Fourth Proportional to 89,835.18, 123,973.13 and 49,550.03

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Solution

The fourth proportional to 89,835.18, 123,973.13 and 49,550.03 is: 68,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835.18 : 123,973.13 = 49,550.03 : x
  2. Step 2: Convert to fraction form
    89,835.18/123,973.13 = 49,550.03/x
  3. Step 3: Cross multiply
    89,835.18x = 123,973.13 × 49,550.03
  4. Step 4: Simplify right side
    89,835.18x = 6,142,872,279.60
  5. Step 5: Solve for x
    x = 6,142,872,279.60/89,835.18
  6. Step 6: Final answer
    x = 68,379.36

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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.