Home / 83,715.96-115,527.42-47,904.24

Finding the Fourth Proportional to 83,715.96, 115,527.42 and 47,904.24

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Solution

The fourth proportional to 83,715.96, 115,527.42 and 47,904.24 is: 66,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.96 : 115,527.42 = 47,904.24 : x
  2. Step 2: Convert to fraction form
    83,715.96/115,527.42 = 47,904.24/x
  3. Step 3: Cross multiply
    83,715.96x = 115,527.42 × 47,904.24
  4. Step 4: Simplify right side
    83,715.96x = 5,534,253,254.26
  5. Step 5: Solve for x
    x = 5,534,253,254.26/83,715.96
  6. Step 6: Final answer
    x = 66,107.51

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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.