Home / 86,538.13-119,422.55-48,812.38

Finding the Fourth Proportional to 86,538.13, 119,422.55 and 48,812.38

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Solution

The fourth proportional to 86,538.13, 119,422.55 and 48,812.38 is: 67,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.13 : 119,422.55 = 48,812.38 : x
  2. Step 2: Convert to fraction form
    86,538.13/119,422.55 = 48,812.38/x
  3. Step 3: Cross multiply
    86,538.13x = 119,422.55 × 48,812.38
  4. Step 4: Simplify right side
    86,538.13x = 5,829,298,714.64
  5. Step 5: Solve for x
    x = 5,829,298,714.64/86,538.13
  6. Step 6: Final answer
    x = 67,361.05

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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.