Home / 98,981.48-136,588.56-58,699.04

Finding the Fourth Proportional to 98,981.48, 136,588.56 and 58,699.04

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Solution

The fourth proportional to 98,981.48, 136,588.56 and 58,699.04 is: 81,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,981.48 : 136,588.56 = 58,699.04 : x
  2. Step 2: Convert to fraction form
    98,981.48/136,588.56 = 58,699.04/x
  3. Step 3: Cross multiply
    98,981.48x = 136,588.56 × 58,699.04
  4. Step 4: Simplify right side
    98,981.48x = 8,017,617,346.98
  5. Step 5: Solve for x
    x = 8,017,617,346.98/98,981.48
  6. Step 6: Final answer
    x = 81,001.19

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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.