Home / 104,516.90-156,660.15-57,803.30

Finding the Fourth Proportional to 104,516.90, 156,660.15 and 57,803.30

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Solution

The fourth proportional to 104,516.90, 156,660.15 and 57,803.30 is: 86,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,516.90 : 156,660.15 = 57,803.30 : x
  2. Step 2: Convert to fraction form
    104,516.90/156,660.15 = 57,803.30/x
  3. Step 3: Cross multiply
    104,516.90x = 156,660.15 × 57,803.30
  4. Step 4: Simplify right side
    104,516.90x = 9,055,473,648.50
  5. Step 5: Solve for x
    x = 9,055,473,648.50/104,516.90
  6. Step 6: Final answer
    x = 86,641.24

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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.