Home / 98,980.48-136,587.18-58,698.04

Finding the Fourth Proportional to 98,980.48, 136,587.18 and 58,698.04

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Solution

The fourth proportional to 98,980.48, 136,587.18 and 58,698.04 is: 80,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,980.48 : 136,587.18 = 58,698.04 : x
  2. Step 2: Convert to fraction form
    98,980.48/136,587.18 = 58,698.04/x
  3. Step 3: Cross multiply
    98,980.48x = 136,587.18 × 58,698.04
  4. Step 4: Simplify right side
    98,980.48x = 8,017,399,755.13
  5. Step 5: Solve for x
    x = 8,017,399,755.13/98,980.48
  6. Step 6: Final answer
    x = 80,999.81

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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.