Home / 83,023.88-114,439.11-56,156.59

Finding the Fourth Proportional to 83,023.88, 114,439.11 and 56,156.59

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Solution

The fourth proportional to 83,023.88, 114,439.11 and 56,156.59 is: 77,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,023.88 : 114,439.11 = 56,156.59 : x
  2. Step 2: Convert to fraction form
    83,023.88/114,439.11 = 56,156.59/x
  3. Step 3: Cross multiply
    83,023.88x = 114,439.11 × 56,156.59
  4. Step 4: Simplify right side
    83,023.88x = 6,426,509,608.04
  5. Step 5: Solve for x
    x = 6,426,509,608.04/83,023.88
  6. Step 6: Final answer
    x = 77,405.56

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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.