Home / 86,880.96-119,897.28-49,163.04

Finding the Fourth Proportional to 86,880.96, 119,897.28 and 49,163.04

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Solution

The fourth proportional to 86,880.96, 119,897.28 and 49,163.04 is: 67,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,880.96 : 119,897.28 = 49,163.04 : x
  2. Step 2: Convert to fraction form
    86,880.96/119,897.28 = 49,163.04/x
  3. Step 3: Cross multiply
    86,880.96x = 119,897.28 × 49,163.04
  4. Step 4: Simplify right side
    86,880.96x = 5,894,514,772.53
  5. Step 5: Solve for x
    x = 5,894,514,772.53/86,880.96
  6. Step 6: Final answer
    x = 67,845.88

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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.