Home / 87,224.32-130,844.44-28,045.36

Finding the Fourth Proportional to 87,224.32, 130,844.44 and 28,045.36

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Solution

The fourth proportional to 87,224.32, 130,844.44 and 28,045.36 is: 42,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224.32 : 130,844.44 = 28,045.36 : x
  2. Step 2: Convert to fraction form
    87,224.32/130,844.44 = 28,045.36/x
  3. Step 3: Cross multiply
    87,224.32x = 130,844.44 × 28,045.36
  4. Step 4: Simplify right side
    87,224.32x = 3,669,579,423.80
  5. Step 5: Solve for x
    x = 3,669,579,423.80/87,224.32
  6. Step 6: Final answer
    x = 42,070.60

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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.