Home / 98,923.48-136,521.09-55,888.04

Finding the Fourth Proportional to 98,923.48, 136,521.09 and 55,888.04

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Solution

The fourth proportional to 98,923.48, 136,521.09 and 55,888.04 is: 77,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.48 : 136,521.09 = 55,888.04 : x
  2. Step 2: Convert to fraction form
    98,923.48/136,521.09 = 55,888.04/x
  3. Step 3: Cross multiply
    98,923.48x = 136,521.09 × 55,888.04
  4. Step 4: Simplify right side
    98,923.48x = 7,629,896,138.76
  5. Step 5: Solve for x
    x = 7,629,896,138.76/98,923.48
  6. Step 6: Final answer
    x = 77,129.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.