Home / 84,888.24-127,157.36-49,721.28

Finding the Fourth Proportional to 84,888.24, 127,157.36 and 49,721.28

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Solution

The fourth proportional to 84,888.24, 127,157.36 and 49,721.28 is: 74,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888.24 : 127,157.36 = 49,721.28 : x
  2. Step 2: Convert to fraction form
    84,888.24/127,157.36 = 49,721.28/x
  3. Step 3: Cross multiply
    84,888.24x = 127,157.36 × 49,721.28
  4. Step 4: Simplify right side
    84,888.24x = 6,322,426,700.62
  5. Step 5: Solve for x
    x = 6,322,426,700.62/84,888.24
  6. Step 6: Final answer
    x = 74,479.42

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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.