Home / 77,548.17-107,057.13-52,187.88

Finding the Fourth Proportional to 77,548.17, 107,057.13 and 52,187.88

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Solution

The fourth proportional to 77,548.17, 107,057.13 and 52,187.88 is: 72,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548.17 : 107,057.13 = 52,187.88 : x
  2. Step 2: Convert to fraction form
    77,548.17/107,057.13 = 52,187.88/x
  3. Step 3: Cross multiply
    77,548.17x = 107,057.13 × 52,187.88
  4. Step 4: Simplify right side
    77,548.17x = 5,587,084,653.58
  5. Step 5: Solve for x
    x = 5,587,084,653.58/77,548.17
  6. Step 6: Final answer
    x = 72,046.63

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1.5x scale

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.