Home / 90,566.28-124,947.18-66,749.88

Finding the Fourth Proportional to 90,566.28, 124,947.18 and 66,749.88

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Solution

The fourth proportional to 90,566.28, 124,947.18 and 66,749.88 is: 92,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.28 : 124,947.18 = 66,749.88 : x
  2. Step 2: Convert to fraction form
    90,566.28/124,947.18 = 66,749.88/x
  3. Step 3: Cross multiply
    90,566.28x = 124,947.18 × 66,749.88
  4. Step 4: Simplify right side
    90,566.28x = 8,340,209,271.34
  5. Step 5: Solve for x
    x = 8,340,209,271.34/90,566.28
  6. Step 6: Final answer
    x = 92,089.56

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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.