Home / 111,702.62-154,145.07-60,714.17

Finding the Fourth Proportional to 111,702.62, 154,145.07 and 60,714.17

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Solution

The fourth proportional to 111,702.62, 154,145.07 and 60,714.17 is: 83,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702.62 : 154,145.07 = 60,714.17 : x
  2. Step 2: Convert to fraction form
    111,702.62/154,145.07 = 60,714.17/x
  3. Step 3: Cross multiply
    111,702.62x = 154,145.07 × 60,714.17
  4. Step 4: Simplify right side
    111,702.62x = 9,358,789,213.92
  5. Step 5: Solve for x
    x = 9,358,789,213.92/111,702.62
  6. Step 6: Final answer
    x = 83,783.08

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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.