Home / 87,043.32-130,623.36-55,900.44

Finding the Fourth Proportional to 87,043.32, 130,623.36 and 55,900.44

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Solution

The fourth proportional to 87,043.32, 130,623.36 and 55,900.44 is: 83,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,043.32 : 130,623.36 = 55,900.44 : x
  2. Step 2: Convert to fraction form
    87,043.32/130,623.36 = 55,900.44/x
  3. Step 3: Cross multiply
    87,043.32x = 130,623.36 × 55,900.44
  4. Step 4: Simplify right side
    87,043.32x = 7,301,903,298.28
  5. Step 5: Solve for x
    x = 7,301,903,298.28/87,043.32
  6. Step 6: Final answer
    x = 83,888.15

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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.