Home / 124,762.68-172,176.06-69,573.28

Finding the Fourth Proportional to 124,762.68, 172,176.06 and 69,573.28

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Solution

The fourth proportional to 124,762.68, 172,176.06 and 69,573.28 is: 96,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.68 : 172,176.06 = 69,573.28 : x
  2. Step 2: Convert to fraction form
    124,762.68/172,176.06 = 69,573.28/x
  3. Step 3: Cross multiply
    124,762.68x = 172,176.06 × 69,573.28
  4. Step 4: Simplify right side
    124,762.68x = 11,978,853,231.68
  5. Step 5: Solve for x
    x = 11,978,853,231.68/124,762.68
  6. Step 6: Final answer
    x = 96,013.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.