Home / 85,741.32-118,230.60-58,520.46

Finding the Fourth Proportional to 85,741.32, 118,230.60 and 58,520.46

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Solution

The fourth proportional to 85,741.32, 118,230.60 and 58,520.46 is: 80,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.32 : 118,230.60 = 58,520.46 : x
  2. Step 2: Convert to fraction form
    85,741.32/118,230.60 = 58,520.46/x
  3. Step 3: Cross multiply
    85,741.32x = 118,230.60 × 58,520.46
  4. Step 4: Simplify right side
    85,741.32x = 6,918,909,098.08
  5. Step 5: Solve for x
    x = 6,918,909,098.08/85,741.32
  6. Step 6: Final answer
    x = 80,695.15

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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.