Home / 86,876.55-119,888.11-48,113.57

Finding the Fourth Proportional to 86,876.55, 119,888.11 and 48,113.57

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Solution

The fourth proportional to 86,876.55, 119,888.11 and 48,113.57 is: 66,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,876.55 : 119,888.11 = 48,113.57 : x
  2. Step 2: Convert to fraction form
    86,876.55/119,888.11 = 48,113.57/x
  3. Step 3: Cross multiply
    86,876.55x = 119,888.11 × 48,113.57
  4. Step 4: Simplify right side
    86,876.55x = 5,768,244,860.01
  5. Step 5: Solve for x
    x = 5,768,244,860.01/86,876.55
  6. Step 6: Final answer
    x = 66,395.88

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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.