Home / 115,330.80-172,866.60-59,149.20

Finding the Fourth Proportional to 115,330.80, 172,866.60 and 59,149.20

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Solution

The fourth proportional to 115,330.80, 172,866.60 and 59,149.20 is: 88,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,330.80 : 172,866.60 = 59,149.20 : x
  2. Step 2: Convert to fraction form
    115,330.80/172,866.60 = 59,149.20/x
  3. Step 3: Cross multiply
    115,330.80x = 172,866.60 × 59,149.20
  4. Step 4: Simplify right side
    115,330.80x = 10,224,921,096.72
  5. Step 5: Solve for x
    x = 10,224,921,096.72/115,330.80
  6. Step 6: Final answer
    x = 88,657.33

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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.