Home / 84,701.46-116,872.56-48,878.40

Finding the Fourth Proportional to 84,701.46, 116,872.56 and 48,878.40

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Solution

The fourth proportional to 84,701.46, 116,872.56 and 48,878.40 is: 67,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,701.46 : 116,872.56 = 48,878.40 : x
  2. Step 2: Convert to fraction form
    84,701.46/116,872.56 = 48,878.40/x
  3. Step 3: Cross multiply
    84,701.46x = 116,872.56 × 48,878.40
  4. Step 4: Simplify right side
    84,701.46x = 5,712,543,736.70
  5. Step 5: Solve for x
    x = 5,712,543,736.70/84,701.46
  6. Step 6: Final answer
    x = 67,443.27

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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.