Home / 90,537.70-124,948.32-52,310.15

Finding the Fourth Proportional to 90,537.70, 124,948.32 and 52,310.15

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Solution

The fourth proportional to 90,537.70, 124,948.32 and 52,310.15 is: 72,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,537.70 : 124,948.32 = 52,310.15 : x
  2. Step 2: Convert to fraction form
    90,537.70/124,948.32 = 52,310.15/x
  3. Step 3: Cross multiply
    90,537.70x = 124,948.32 × 52,310.15
  4. Step 4: Simplify right side
    90,537.70x = 6,536,065,477.66
  5. Step 5: Solve for x
    x = 6,536,065,477.66/90,537.70
  6. Step 6: Final answer
    x = 72,191.65

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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.