Home / 78,177.12-107,881.92-44,643.12

Finding the Fourth Proportional to 78,177.12, 107,881.92 and 44,643.12

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Solution

The fourth proportional to 78,177.12, 107,881.92 and 44,643.12 is: 61,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,177.12 : 107,881.92 = 44,643.12 : x
  2. Step 2: Convert to fraction form
    78,177.12/107,881.92 = 44,643.12/x
  3. Step 3: Cross multiply
    78,177.12x = 107,881.92 × 44,643.12
  4. Step 4: Simplify right side
    78,177.12x = 4,816,185,500.39
  5. Step 5: Solve for x
    x = 4,816,185,500.39/78,177.12
  6. Step 6: Final answer
    x = 61,606.07

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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.