Home / 52,449.12-72,374.26-31,225.48

Finding the Fourth Proportional to 52,449.12, 72,374.26 and 31,225.48

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Solution

The fourth proportional to 52,449.12, 72,374.26 and 31,225.48 is: 43,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.12 : 72,374.26 = 31,225.48 : x
  2. Step 2: Convert to fraction form
    52,449.12/72,374.26 = 31,225.48/x
  3. Step 3: Cross multiply
    52,449.12x = 72,374.26 × 31,225.48
  4. Step 4: Simplify right side
    52,449.12x = 2,259,921,008.14
  5. Step 5: Solve for x
    x = 2,259,921,008.14/52,449.12
  6. Step 6: Final answer
    x = 43,087.87

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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.