Home / 124,924.32-172,347.12-79,594.20

Finding the Fourth Proportional to 124,924.32, 172,347.12 and 79,594.20

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Solution

The fourth proportional to 124,924.32, 172,347.12 and 79,594.20 is: 109,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,924.32 : 172,347.12 = 79,594.20 : x
  2. Step 2: Convert to fraction form
    124,924.32/172,347.12 = 79,594.20/x
  3. Step 3: Cross multiply
    124,924.32x = 172,347.12 × 79,594.20
  4. Step 4: Simplify right side
    124,924.32x = 13,717,831,138.70
  5. Step 5: Solve for x
    x = 13,717,831,138.70/124,924.32
  6. Step 6: Final answer
    x = 109,809.13

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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.