Home / 86,789.04-119,774.04-49,066.80

Finding the Fourth Proportional to 86,789.04, 119,774.04 and 49,066.80

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Solution

The fourth proportional to 86,789.04, 119,774.04 and 49,066.80 is: 67,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,789.04 : 119,774.04 = 49,066.80 : x
  2. Step 2: Convert to fraction form
    86,789.04/119,774.04 = 49,066.80/x
  3. Step 3: Cross multiply
    86,789.04x = 119,774.04 × 49,066.80
  4. Step 4: Simplify right side
    86,789.04x = 5,876,928,865.87
  5. Step 5: Solve for x
    x = 5,876,928,865.87/86,789.04
  6. Step 6: Final answer
    x = 67,715.10

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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.