Home / 77,548.40-107,057.44-52,188.11

Finding the Fourth Proportional to 77,548.40, 107,057.44 and 52,188.11

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Solution

The fourth proportional to 77,548.40, 107,057.44 and 52,188.11 is: 72,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548.40 : 107,057.44 = 52,188.11 : x
  2. Step 2: Convert to fraction form
    77,548.40/107,057.44 = 52,188.11/x
  3. Step 3: Cross multiply
    77,548.40x = 107,057.44 × 52,188.11
  4. Step 4: Simplify right side
    77,548.40x = 5,587,125,455.04
  5. Step 5: Solve for x
    x = 5,587,125,455.04/77,548.40
  6. Step 6: Final answer
    x = 72,046.95

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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.