Home / 83,946.20-125,627.70-57,702.20

Finding the Fourth Proportional to 83,946.20, 125,627.70 and 57,702.20

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Solution

The fourth proportional to 83,946.20, 125,627.70 and 57,702.20 is: 86,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,946.20 : 125,627.70 = 57,702.20 : x
  2. Step 2: Convert to fraction form
    83,946.20/125,627.70 = 57,702.20/x
  3. Step 3: Cross multiply
    83,946.20x = 125,627.70 × 57,702.20
  4. Step 4: Simplify right side
    83,946.20x = 7,248,994,670.94
  5. Step 5: Solve for x
    x = 7,248,994,670.94/83,946.20
  6. Step 6: Final answer
    x = 86,352.86

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1.5x scale

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.