Home / 115,145.37-172,769.90-62,475.93

Finding the Fourth Proportional to 115,145.37, 172,769.90 and 62,475.93

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Solution

The fourth proportional to 115,145.37, 172,769.90 and 62,475.93 is: 93,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,145.37 : 172,769.90 = 62,475.93 : x
  2. Step 2: Convert to fraction form
    115,145.37/172,769.90 = 62,475.93/x
  3. Step 3: Cross multiply
    115,145.37x = 172,769.90 × 62,475.93
  4. Step 4: Simplify right side
    115,145.37x = 10,793,959,866.13
  5. Step 5: Solve for x
    x = 10,793,959,866.13/115,145.37
  6. Step 6: Final answer
    x = 93,742.02

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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.