Home / 72,862.95-109,179.29-55,009.13

Finding the Fourth Proportional to 72,862.95, 109,179.29 and 55,009.13

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Solution

The fourth proportional to 72,862.95, 109,179.29 and 55,009.13 is: 82,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,862.95 : 109,179.29 = 55,009.13 : x
  2. Step 2: Convert to fraction form
    72,862.95/109,179.29 = 55,009.13/x
  3. Step 3: Cross multiply
    72,862.95x = 109,179.29 × 55,009.13
  4. Step 4: Simplify right side
    72,862.95x = 6,005,857,756.92
  5. Step 5: Solve for x
    x = 6,005,857,756.92/72,862.95
  6. Step 6: Final answer
    x = 82,426.77

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1.5x scale

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.