Home / 125,001.04-172,500.42-68,412.28

Finding the Fourth Proportional to 125,001.04, 172,500.42 and 68,412.28

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Solution

The fourth proportional to 125,001.04, 172,500.42 and 68,412.28 is: 94,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,001.04 : 172,500.42 = 68,412.28 : x
  2. Step 2: Convert to fraction form
    125,001.04/172,500.42 = 68,412.28/x
  3. Step 3: Cross multiply
    125,001.04x = 172,500.42 × 68,412.28
  4. Step 4: Simplify right side
    125,001.04x = 11,801,147,033.16
  5. Step 5: Solve for x
    x = 11,801,147,033.16/125,001.04
  6. Step 6: Final answer
    x = 94,408.39

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1.5x scale

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.