Home / 83,066.86-124,629.45-51,865.66

Finding the Fourth Proportional to 83,066.86, 124,629.45 and 51,865.66

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Solution

The fourth proportional to 83,066.86, 124,629.45 and 51,865.66 is: 77,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,066.86 : 124,629.45 = 51,865.66 : x
  2. Step 2: Convert to fraction form
    83,066.86/124,629.45 = 51,865.66/x
  3. Step 3: Cross multiply
    83,066.86x = 124,629.45 × 51,865.66
  4. Step 4: Simplify right side
    83,066.86x = 6,463,988,679.69
  5. Step 5: Solve for x
    x = 6,463,988,679.69/83,066.86
  6. Step 6: Final answer
    x = 77,816.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.