Home / 87,106.30-130,808.50-53,569.22

Finding the Fourth Proportional to 87,106.30, 130,808.50 and 53,569.22

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Solution

The fourth proportional to 87,106.30, 130,808.50 and 53,569.22 is: 80,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,106.30 : 130,808.50 = 53,569.22 : x
  2. Step 2: Convert to fraction form
    87,106.30/130,808.50 = 53,569.22/x
  3. Step 3: Cross multiply
    87,106.30x = 130,808.50 × 53,569.22
  4. Step 4: Simplify right side
    87,106.30x = 7,007,309,314.37
  5. Step 5: Solve for x
    x = 7,007,309,314.37/87,106.30
  6. Step 6: Final answer
    x = 80,445.49

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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.