Home / 85,900.45-118,548.53-48,177.13

Finding the Fourth Proportional to 85,900.45, 118,548.53 and 48,177.13

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Solution

The fourth proportional to 85,900.45, 118,548.53 and 48,177.13 is: 66,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,900.45 : 118,548.53 = 48,177.13 : x
  2. Step 2: Convert to fraction form
    85,900.45/118,548.53 = 48,177.13/x
  3. Step 3: Cross multiply
    85,900.45x = 118,548.53 × 48,177.13
  4. Step 4: Simplify right side
    85,900.45x = 5,711,327,468.82
  5. Step 5: Solve for x
    x = 5,711,327,468.82/85,900.45
  6. Step 6: Final answer
    x = 66,487.75

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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.