Home / 74,423.40-102,702.50-42,590.26

Finding the Fourth Proportional to 74,423.40, 102,702.50 and 42,590.26

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Solution

The fourth proportional to 74,423.40, 102,702.50 and 42,590.26 is: 58,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423.40 : 102,702.50 = 42,590.26 : x
  2. Step 2: Convert to fraction form
    74,423.40/102,702.50 = 42,590.26/x
  3. Step 3: Cross multiply
    74,423.40x = 102,702.50 × 42,590.26
  4. Step 4: Simplify right side
    74,423.40x = 4,374,126,177.65
  5. Step 5: Solve for x
    x = 4,374,126,177.65/74,423.40
  6. Step 6: Final answer
    x = 58,773.53

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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.