Home / 84,972.32-117,271.28-49,161.92

Finding the Fourth Proportional to 84,972.32, 117,271.28 and 49,161.92

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Solution

The fourth proportional to 84,972.32, 117,271.28 and 49,161.92 is: 67,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,972.32 : 117,271.28 = 49,161.92 : x
  2. Step 2: Convert to fraction form
    84,972.32/117,271.28 = 49,161.92/x
  3. Step 3: Cross multiply
    84,972.32x = 117,271.28 × 49,161.92
  4. Step 4: Simplify right side
    84,972.32x = 5,765,281,285.66
  5. Step 5: Solve for x
    x = 5,765,281,285.66/84,972.32
  6. Step 6: Final answer
    x = 67,848.93

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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.