Home / 85,841.43-118,454.73-48,108.39

Finding the Fourth Proportional to 85,841.43, 118,454.73 and 48,108.39

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Solution

The fourth proportional to 85,841.43, 118,454.73 and 48,108.39 is: 66,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,841.43 : 118,454.73 = 48,108.39 : x
  2. Step 2: Convert to fraction form
    85,841.43/118,454.73 = 48,108.39/x
  3. Step 3: Cross multiply
    85,841.43x = 118,454.73 × 48,108.39
  4. Step 4: Simplify right side
    85,841.43x = 5,698,666,348.18
  5. Step 5: Solve for x
    x = 5,698,666,348.18/85,841.43
  6. Step 6: Final answer
    x = 66,385.97

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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.