Home / 84,591.18-116,740.40-48,782.70

Finding the Fourth Proportional to 84,591.18, 116,740.40 and 48,782.70

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Solution

The fourth proportional to 84,591.18, 116,740.40 and 48,782.70 is: 67,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,591.18 : 116,740.40 = 48,782.70 : x
  2. Step 2: Convert to fraction form
    84,591.18/116,740.40 = 48,782.70/x
  3. Step 3: Cross multiply
    84,591.18x = 116,740.40 × 48,782.70
  4. Step 4: Simplify right side
    84,591.18x = 5,694,911,667.17
  5. Step 5: Solve for x
    x = 5,694,911,667.17/84,591.18
  6. Step 6: Final answer
    x = 67,322.76

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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.