Home / 124,397.66-171,614.70-79,051.36

Finding the Fourth Proportional to 124,397.66, 171,614.70 and 79,051.36

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Solution

The fourth proportional to 124,397.66, 171,614.70 and 79,051.36 is: 109,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.66 : 171,614.70 = 79,051.36 : x
  2. Step 2: Convert to fraction form
    124,397.66/171,614.70 = 79,051.36/x
  3. Step 3: Cross multiply
    124,397.66x = 171,614.70 × 79,051.36
  4. Step 4: Simplify right side
    124,397.66x = 13,566,375,001.96
  5. Step 5: Solve for x
    x = 13,566,375,001.96/124,397.66
  6. Step 6: Final answer
    x = 109,056.52

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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.