Home / 85,752.90-118,338.75-49,454.19

Finding the Fourth Proportional to 85,752.90, 118,338.75 and 49,454.19

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Solution

The fourth proportional to 85,752.90, 118,338.75 and 49,454.19 is: 68,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,752.90 : 118,338.75 = 49,454.19 : x
  2. Step 2: Convert to fraction form
    85,752.90/118,338.75 = 49,454.19/x
  3. Step 3: Cross multiply
    85,752.90x = 118,338.75 × 49,454.19
  4. Step 4: Simplify right side
    85,752.90x = 5,852,347,026.86
  5. Step 5: Solve for x
    x = 5,852,347,026.86/85,752.90
  6. Step 6: Final answer
    x = 68,246.64

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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.