Home / 90,324.34-124,615.50-54,000.56

Finding the Fourth Proportional to 90,324.34, 124,615.50 and 54,000.56

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Solution

The fourth proportional to 90,324.34, 124,615.50 and 54,000.56 is: 74,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324.34 : 124,615.50 = 54,000.56 : x
  2. Step 2: Convert to fraction form
    90,324.34/124,615.50 = 54,000.56/x
  3. Step 3: Cross multiply
    90,324.34x = 124,615.50 × 54,000.56
  4. Step 4: Simplify right side
    90,324.34x = 6,729,306,784.68
  5. Step 5: Solve for x
    x = 6,729,306,784.68/90,324.34
  6. Step 6: Final answer
    x = 74,501.59

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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.