Home / 85,841.42-118,454.72-48,108.38

Finding the Fourth Proportional to 85,841.42, 118,454.72 and 48,108.38

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Solution

The fourth proportional to 85,841.42, 118,454.72 and 48,108.38 is: 66,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,841.42 : 118,454.72 = 48,108.38 : x
  2. Step 2: Convert to fraction form
    85,841.42/118,454.72 = 48,108.38/x
  3. Step 3: Cross multiply
    85,841.42x = 118,454.72 × 48,108.38
  4. Step 4: Simplify right side
    85,841.42x = 5,698,663,849.74
  5. Step 5: Solve for x
    x = 5,698,663,849.74/85,841.42
  6. Step 6: Final answer
    x = 66,385.95

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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.