Home / 72,713.23-109,003.83-25,955.17

Finding the Fourth Proportional to 72,713.23, 109,003.83 and 25,955.17

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Solution

The fourth proportional to 72,713.23, 109,003.83 and 25,955.17 is: 38,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,713.23 : 109,003.83 = 25,955.17 : x
  2. Step 2: Convert to fraction form
    72,713.23/109,003.83 = 25,955.17/x
  3. Step 3: Cross multiply
    72,713.23x = 109,003.83 × 25,955.17
  4. Step 4: Simplify right side
    72,713.23x = 2,829,212,938.30
  5. Step 5: Solve for x
    x = 2,829,212,938.30/72,713.23
  6. Step 6: Final answer
    x = 38,909.19

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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.