Home / 82,987.28-124,439.96-36,219.92

Finding the Fourth Proportional to 82,987.28, 124,439.96 and 36,219.92

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Solution

The fourth proportional to 82,987.28, 124,439.96 and 36,219.92 is: 54,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987.28 : 124,439.96 = 36,219.92 : x
  2. Step 2: Convert to fraction form
    82,987.28/124,439.96 = 36,219.92/x
  3. Step 3: Cross multiply
    82,987.28x = 124,439.96 × 36,219.92
  4. Step 4: Simplify right side
    82,987.28x = 4,507,205,396.00
  5. Step 5: Solve for x
    x = 4,507,205,396.00/82,987.28
  6. Step 6: Final answer
    x = 54,312.00

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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.