Home / 86,981.33-120,034.17-48,741.19

Finding the Fourth Proportional to 86,981.33, 120,034.17 and 48,741.19

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Solution

The fourth proportional to 86,981.33, 120,034.17 and 48,741.19 is: 67,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,981.33 : 120,034.17 = 48,741.19 : x
  2. Step 2: Convert to fraction form
    86,981.33/120,034.17 = 48,741.19/x
  3. Step 3: Cross multiply
    86,981.33x = 120,034.17 × 48,741.19
  4. Step 4: Simplify right side
    86,981.33x = 5,850,607,986.38
  5. Step 5: Solve for x
    x = 5,850,607,986.38/86,981.33
  6. Step 6: Final answer
    x = 67,262.80

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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.