Home / 86,788.08-119,746.08-49,061.52

Finding the Fourth Proportional to 86,788.08, 119,746.08 and 49,061.52

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Solution

The fourth proportional to 86,788.08, 119,746.08 and 49,061.52 is: 67,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,788.08 : 119,746.08 = 49,061.52 : x
  2. Step 2: Convert to fraction form
    86,788.08/119,746.08 = 49,061.52/x
  3. Step 3: Cross multiply
    86,788.08x = 119,746.08 × 49,061.52
  4. Step 4: Simplify right side
    86,788.08x = 5,874,924,698.84
  5. Step 5: Solve for x
    x = 5,874,924,698.84/86,788.08
  6. Step 6: Final answer
    x = 67,692.76

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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.