Home / 60,141.60-90,164.34-28,535.76

Finding the Fourth Proportional to 60,141.60, 90,164.34 and 28,535.76

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Solution

The fourth proportional to 60,141.60, 90,164.34 and 28,535.76 is: 42,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,141.60 : 90,164.34 = 28,535.76 : x
  2. Step 2: Convert to fraction form
    60,141.60/90,164.34 = 28,535.76/x
  3. Step 3: Cross multiply
    60,141.60x = 90,164.34 × 28,535.76
  4. Step 4: Simplify right side
    60,141.60x = 2,572,907,966.80
  5. Step 5: Solve for x
    x = 2,572,907,966.80/60,141.60
  6. Step 6: Final answer
    x = 42,780.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.