Home / 89,987.98-124,184.36-49,702.76

Finding the Fourth Proportional to 89,987.98, 124,184.36 and 49,702.76

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Solution

The fourth proportional to 89,987.98, 124,184.36 and 49,702.76 is: 68,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,987.98 : 124,184.36 = 49,702.76 : x
  2. Step 2: Convert to fraction form
    89,987.98/124,184.36 = 49,702.76/x
  3. Step 3: Cross multiply
    89,987.98x = 124,184.36 × 49,702.76
  4. Step 4: Simplify right side
    89,987.98x = 6,172,305,440.83
  5. Step 5: Solve for x
    x = 6,172,305,440.83/89,987.98
  6. Step 6: Final answer
    x = 68,590.33

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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.