Home / 98,881.08-136,432.26-58,587.89

Finding the Fourth Proportional to 98,881.08, 136,432.26 and 58,587.89

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Solution

The fourth proportional to 98,881.08, 136,432.26 and 58,587.89 is: 80,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,881.08 : 136,432.26 = 58,587.89 : x
  2. Step 2: Convert to fraction form
    98,881.08/136,432.26 = 58,587.89/x
  3. Step 3: Cross multiply
    98,881.08x = 136,432.26 × 58,587.89
  4. Step 4: Simplify right side
    98,881.08x = 7,993,277,559.17
  5. Step 5: Solve for x
    x = 7,993,277,559.17/98,881.08
  6. Step 6: Final answer
    x = 80,837.28

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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.