Home / 86,868.60-130,205.70-44,732.40

Finding the Fourth Proportional to 86,868.60, 130,205.70 and 44,732.40

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Solution

The fourth proportional to 86,868.60, 130,205.70 and 44,732.40 is: 67,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,868.60 : 130,205.70 = 44,732.40 : x
  2. Step 2: Convert to fraction form
    86,868.60/130,205.70 = 44,732.40/x
  3. Step 3: Cross multiply
    86,868.60x = 130,205.70 × 44,732.40
  4. Step 4: Simplify right side
    86,868.60x = 5,824,413,454.68
  5. Step 5: Solve for x
    x = 5,824,413,454.68/86,868.60
  6. Step 6: Final answer
    x = 67,048.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.