Home / 124,973.89-172,452.85-73,988.24

Finding the Fourth Proportional to 124,973.89, 172,452.85 and 73,988.24

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Solution

The fourth proportional to 124,973.89, 172,452.85 and 73,988.24 is: 102,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,973.89 : 172,452.85 = 73,988.24 : x
  2. Step 2: Convert to fraction form
    124,973.89/172,452.85 = 73,988.24/x
  3. Step 3: Cross multiply
    124,973.89x = 172,452.85 × 73,988.24
  4. Step 4: Simplify right side
    124,973.89x = 12,759,481,807.25
  5. Step 5: Solve for x
    x = 12,759,481,807.25/124,973.89
  6. Step 6: Final answer
    x = 102,097.18

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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.