Home / 57,752.20-86,628.30-42,200.20

Finding the Fourth Proportional to 57,752.20, 86,628.30 and 42,200.20

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Solution

The fourth proportional to 57,752.20, 86,628.30 and 42,200.20 is: 63,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.20 : 86,628.30 = 42,200.20 : x
  2. Step 2: Convert to fraction form
    57,752.20/86,628.30 = 42,200.20/x
  3. Step 3: Cross multiply
    57,752.20x = 86,628.30 × 42,200.20
  4. Step 4: Simplify right side
    57,752.20x = 3,655,731,585.66
  5. Step 5: Solve for x
    x = 3,655,731,585.66/57,752.20
  6. Step 6: Final answer
    x = 63,300.30

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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.