Home / 86,884.16-119,906.08-49,158.40

Finding the Fourth Proportional to 86,884.16, 119,906.08 and 49,158.40

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Solution

The fourth proportional to 86,884.16, 119,906.08 and 49,158.40 is: 67,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,884.16 : 119,906.08 = 49,158.40 : x
  2. Step 2: Convert to fraction form
    86,884.16/119,906.08 = 49,158.40/x
  3. Step 3: Cross multiply
    86,884.16x = 119,906.08 × 49,158.40
  4. Step 4: Simplify right side
    86,884.16x = 5,894,391,043.07
  5. Step 5: Solve for x
    x = 5,894,391,043.07/86,884.16
  6. Step 6: Final answer
    x = 67,841.95

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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.