Home / 85,822.50-118,442.34-48,104.04

Finding the Fourth Proportional to 85,822.50, 118,442.34 and 48,104.04

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Solution

The fourth proportional to 85,822.50, 118,442.34 and 48,104.04 is: 66,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,822.50 : 118,442.34 = 48,104.04 : x
  2. Step 2: Convert to fraction form
    85,822.50/118,442.34 = 48,104.04/x
  3. Step 3: Cross multiply
    85,822.50x = 118,442.34 × 48,104.04
  4. Step 4: Simplify right side
    85,822.50x = 5,697,555,061.05
  5. Step 5: Solve for x
    x = 5,697,555,061.05/85,822.50
  6. Step 6: Final answer
    x = 66,387.66

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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.