Home / 84,982.56-127,473.75-40,474.32

Finding the Fourth Proportional to 84,982.56, 127,473.75 and 40,474.32

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Solution

The fourth proportional to 84,982.56, 127,473.75 and 40,474.32 is: 60,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,982.56 : 127,473.75 = 40,474.32 : x
  2. Step 2: Convert to fraction form
    84,982.56/127,473.75 = 40,474.32/x
  3. Step 3: Cross multiply
    84,982.56x = 127,473.75 × 40,474.32
  4. Step 4: Simplify right side
    84,982.56x = 5,159,413,349.10
  5. Step 5: Solve for x
    x = 5,159,413,349.10/84,982.56
  6. Step 6: Final answer
    x = 60,711.44

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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.