Home / 83,132.52-114,723.44-45,406.76

Finding the Fourth Proportional to 83,132.52, 114,723.44 and 45,406.76

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Solution

The fourth proportional to 83,132.52, 114,723.44 and 45,406.76 is: 62,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,132.52 : 114,723.44 = 45,406.76 : x
  2. Step 2: Convert to fraction form
    83,132.52/114,723.44 = 45,406.76/x
  3. Step 3: Cross multiply
    83,132.52x = 114,723.44 × 45,406.76
  4. Step 4: Simplify right side
    83,132.52x = 5,209,219,706.45
  5. Step 5: Solve for x
    x = 5,209,219,706.45/83,132.52
  6. Step 6: Final answer
    x = 62,661.64

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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.