Home / 84,727.40-127,008.48-40,342.22

Finding the Fourth Proportional to 84,727.40, 127,008.48 and 40,342.22

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Solution

The fourth proportional to 84,727.40, 127,008.48 and 40,342.22 is: 60,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,727.40 : 127,008.48 = 40,342.22 : x
  2. Step 2: Convert to fraction form
    84,727.40/127,008.48 = 40,342.22/x
  3. Step 3: Cross multiply
    84,727.40x = 127,008.48 × 40,342.22
  4. Step 4: Simplify right side
    84,727.40x = 5,123,804,042.03
  5. Step 5: Solve for x
    x = 5,123,804,042.03/84,727.40
  6. Step 6: Final answer
    x = 60,473.99

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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.