Home / 85,901.08-118,543.08-48,175.32

Finding the Fourth Proportional to 85,901.08, 118,543.08 and 48,175.32

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Solution

The fourth proportional to 85,901.08, 118,543.08 and 48,175.32 is: 66,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,901.08 : 118,543.08 = 48,175.32 : x
  2. Step 2: Convert to fraction form
    85,901.08/118,543.08 = 48,175.32/x
  3. Step 3: Cross multiply
    85,901.08x = 118,543.08 × 48,175.32
  4. Step 4: Simplify right side
    85,901.08x = 5,710,850,812.79
  5. Step 5: Solve for x
    x = 5,710,850,812.79/85,901.08
  6. Step 6: Final answer
    x = 66,481.71

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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.