Home / 72,192.24-108,298.08-25,434.18

Finding the Fourth Proportional to 72,192.24, 108,298.08 and 25,434.18

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Solution

The fourth proportional to 72,192.24, 108,298.08 and 25,434.18 is: 38,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,192.24 : 108,298.08 = 25,434.18 : x
  2. Step 2: Convert to fraction form
    72,192.24/108,298.08 = 25,434.18/x
  3. Step 3: Cross multiply
    72,192.24x = 108,298.08 × 25,434.18
  4. Step 4: Simplify right side
    72,192.24x = 2,754,472,860.37
  5. Step 5: Solve for x
    x = 2,754,472,860.37/72,192.24
  6. Step 6: Final answer
    x = 38,154.69

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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.