Home / 67,514.60-93,178.07-40,670.66

Finding the Fourth Proportional to 67,514.60, 93,178.07 and 40,670.66

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Solution

The fourth proportional to 67,514.60, 93,178.07 and 40,670.66 is: 56,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,514.60 : 93,178.07 = 40,670.66 : x
  2. Step 2: Convert to fraction form
    67,514.60/93,178.07 = 40,670.66/x
  3. Step 3: Cross multiply
    67,514.60x = 93,178.07 × 40,670.66
  4. Step 4: Simplify right side
    67,514.60x = 3,789,612,935.18
  5. Step 5: Solve for x
    x = 3,789,612,935.18/67,514.60
  6. Step 6: Final answer
    x = 56,130.28

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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.