Home / 98,976.33-136,587.26-53,655.77

Finding the Fourth Proportional to 98,976.33, 136,587.26 and 53,655.77

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Solution

The fourth proportional to 98,976.33, 136,587.26 and 53,655.77 is: 74,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,976.33 : 136,587.26 = 53,655.77 : x
  2. Step 2: Convert to fraction form
    98,976.33/136,587.26 = 53,655.77/x
  3. Step 3: Cross multiply
    98,976.33x = 136,587.26 × 53,655.77
  4. Step 4: Simplify right side
    98,976.33x = 7,328,694,314.79
  5. Step 5: Solve for x
    x = 7,328,694,314.79/98,976.33
  6. Step 6: Final answer
    x = 74,044.92

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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.