Home / 84,895.16-127,358.11-27,972.10

Finding the Fourth Proportional to 84,895.16, 127,358.11 and 27,972.10

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Solution

The fourth proportional to 84,895.16, 127,358.11 and 27,972.10 is: 41,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.16 : 127,358.11 = 27,972.10 : x
  2. Step 2: Convert to fraction form
    84,895.16/127,358.11 = 27,972.10/x
  3. Step 3: Cross multiply
    84,895.16x = 127,358.11 × 27,972.10
  4. Step 4: Simplify right side
    84,895.16x = 3,562,473,825.55
  5. Step 5: Solve for x
    x = 3,562,473,825.55/84,895.16
  6. Step 6: Final answer
    x = 41,963.22

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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.