Home / 85,774.38-118,368.66-48,049.44

Finding the Fourth Proportional to 85,774.38, 118,368.66 and 48,049.44

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Solution

The fourth proportional to 85,774.38, 118,368.66 and 48,049.44 is: 66,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,774.38 : 118,368.66 = 48,049.44 : x
  2. Step 2: Convert to fraction form
    85,774.38/118,368.66 = 48,049.44/x
  3. Step 3: Cross multiply
    85,774.38x = 118,368.66 × 48,049.44
  4. Step 4: Simplify right side
    85,774.38x = 5,687,547,826.55
  5. Step 5: Solve for x
    x = 5,687,547,826.55/85,774.38
  6. Step 6: Final answer
    x = 66,308.24

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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.