Home / 72,448.15-108,672.23-66,227.35

Finding the Fourth Proportional to 72,448.15, 108,672.23 and 66,227.35

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Solution

The fourth proportional to 72,448.15, 108,672.23 and 66,227.35 is: 99,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448.15 : 108,672.23 = 66,227.35 : x
  2. Step 2: Convert to fraction form
    72,448.15/108,672.23 = 66,227.35/x
  3. Step 3: Cross multiply
    72,448.15x = 108,672.23 × 66,227.35
  4. Step 4: Simplify right side
    72,448.15x = 7,197,073,480.35
  5. Step 5: Solve for x
    x = 7,197,073,480.35/72,448.15
  6. Step 6: Final answer
    x = 99,341.03

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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.