Home / 67,387.12-101,117.28-27,971.32

Finding the Fourth Proportional to 67,387.12, 101,117.28 and 27,971.32

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Solution

The fourth proportional to 67,387.12, 101,117.28 and 27,971.32 is: 41,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.12 : 101,117.28 = 27,971.32 : x
  2. Step 2: Convert to fraction form
    67,387.12/101,117.28 = 27,971.32/x
  3. Step 3: Cross multiply
    67,387.12x = 101,117.28 × 27,971.32
  4. Step 4: Simplify right side
    67,387.12x = 2,828,383,796.41
  5. Step 5: Solve for x
    x = 2,828,383,796.41/67,387.12
  6. Step 6: Final answer
    x = 41,972.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.