Home / 90,346.48-124,682.42-54,535.74

Finding the Fourth Proportional to 90,346.48, 124,682.42 and 54,535.74

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Solution

The fourth proportional to 90,346.48, 124,682.42 and 54,535.74 is: 75,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346.48 : 124,682.42 = 54,535.74 : x
  2. Step 2: Convert to fraction form
    90,346.48/124,682.42 = 54,535.74/x
  3. Step 3: Cross multiply
    90,346.48x = 124,682.42 × 54,535.74
  4. Step 4: Simplify right side
    90,346.48x = 6,799,648,039.69
  5. Step 5: Solve for x
    x = 6,799,648,039.69/90,346.48
  6. Step 6: Final answer
    x = 75,261.90

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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.