Home / 85,734.32-118,310.10-48,006.68

Finding the Fourth Proportional to 85,734.32, 118,310.10 and 48,006.68

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Solution

The fourth proportional to 85,734.32, 118,310.10 and 48,006.68 is: 66,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734.32 : 118,310.10 = 48,006.68 : x
  2. Step 2: Convert to fraction form
    85,734.32/118,310.10 = 48,006.68/x
  3. Step 3: Cross multiply
    85,734.32x = 118,310.10 × 48,006.68
  4. Step 4: Simplify right side
    85,734.32x = 5,679,675,111.47
  5. Step 5: Solve for x
    x = 5,679,675,111.47/85,734.32
  6. Step 6: Final answer
    x = 66,247.39

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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.