Home / 87,244.02-130,866.03-28,079.69

Finding the Fourth Proportional to 87,244.02, 130,866.03 and 28,079.69

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Solution

The fourth proportional to 87,244.02, 130,866.03 and 28,079.69 is: 42,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.02 : 130,866.03 = 28,079.69 : x
  2. Step 2: Convert to fraction form
    87,244.02/130,866.03 = 28,079.69/x
  3. Step 3: Cross multiply
    87,244.02x = 130,866.03 × 28,079.69
  4. Step 4: Simplify right side
    87,244.02x = 3,674,676,899.60
  5. Step 5: Solve for x
    x = 3,674,676,899.60/87,244.02
  6. Step 6: Final answer
    x = 42,119.53

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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.