Home / 86,788.34-119,765.17-49,060.34

Finding the Fourth Proportional to 86,788.34, 119,765.17 and 49,060.34

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Solution

The fourth proportional to 86,788.34, 119,765.17 and 49,060.34 is: 67,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,788.34 : 119,765.17 = 49,060.34 : x
  2. Step 2: Convert to fraction form
    86,788.34/119,765.17 = 49,060.34/x
  3. Step 3: Cross multiply
    86,788.34x = 119,765.17 × 49,060.34
  4. Step 4: Simplify right side
    86,788.34x = 5,875,719,960.36
  5. Step 5: Solve for x
    x = 5,875,719,960.36/86,788.34
  6. Step 6: Final answer
    x = 67,701.72

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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.