Home / 65,868.57-90,951.03-60,830.95

Finding the Fourth Proportional to 65,868.57, 90,951.03 and 60,830.95

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Solution

The fourth proportional to 65,868.57, 90,951.03 and 60,830.95 is: 83,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.57 : 90,951.03 = 60,830.95 : x
  2. Step 2: Convert to fraction form
    65,868.57/90,951.03 = 60,830.95/x
  3. Step 3: Cross multiply
    65,868.57x = 90,951.03 × 60,830.95
  4. Step 4: Simplify right side
    65,868.57x = 5,532,636,799.47
  5. Step 5: Solve for x
    x = 5,532,636,799.47/65,868.57
  6. Step 6: Final answer
    x = 83,995.10

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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.