Home / 90,262.53-124,523.10-54,432.57

Finding the Fourth Proportional to 90,262.53, 124,523.10 and 54,432.57

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Solution

The fourth proportional to 90,262.53, 124,523.10 and 54,432.57 is: 75,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.53 : 124,523.10 = 54,432.57 : x
  2. Step 2: Convert to fraction form
    90,262.53/124,523.10 = 54,432.57/x
  3. Step 3: Cross multiply
    90,262.53x = 124,523.10 × 54,432.57
  4. Step 4: Simplify right side
    90,262.53x = 6,778,112,357.37
  5. Step 5: Solve for x
    x = 6,778,112,357.37/90,262.53
  6. Step 6: Final answer
    x = 75,093.31

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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.