Home / 86,238.39-119,012.90-48,000.38

Finding the Fourth Proportional to 86,238.39, 119,012.90 and 48,000.38

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Solution

The fourth proportional to 86,238.39, 119,012.90 and 48,000.38 is: 66,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.39 : 119,012.90 = 48,000.38 : x
  2. Step 2: Convert to fraction form
    86,238.39/119,012.90 = 48,000.38/x
  3. Step 3: Cross multiply
    86,238.39x = 119,012.90 × 48,000.38
  4. Step 4: Simplify right side
    86,238.39x = 5,712,664,482.43
  5. Step 5: Solve for x
    x = 5,712,664,482.43/86,238.39
  6. Step 6: Final answer
    x = 66,242.71

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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.