Home / 124,913.06-172,331.61-79,582.93

Finding the Fourth Proportional to 124,913.06, 172,331.61 and 79,582.93

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Solution

The fourth proportional to 124,913.06, 172,331.61 and 79,582.93 is: 109,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.06 : 172,331.61 = 79,582.93 : x
  2. Step 2: Convert to fraction form
    124,913.06/172,331.61 = 79,582.93/x
  3. Step 3: Cross multiply
    124,913.06x = 172,331.61 × 79,582.93
  4. Step 4: Simplify right side
    124,913.06x = 13,714,654,455.42
  5. Step 5: Solve for x
    x = 13,714,654,455.42/124,913.06
  6. Step 6: Final answer
    x = 109,793.60

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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.