Home / 98,986.34-136,599.47-55,965.13

Finding the Fourth Proportional to 98,986.34, 136,599.47 and 55,965.13

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Solution

The fourth proportional to 98,986.34, 136,599.47 and 55,965.13 is: 77,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,986.34 : 136,599.47 = 55,965.13 : x
  2. Step 2: Convert to fraction form
    98,986.34/136,599.47 = 55,965.13/x
  3. Step 3: Cross multiply
    98,986.34x = 136,599.47 × 55,965.13
  4. Step 4: Simplify right side
    98,986.34x = 7,644,806,553.40
  5. Step 5: Solve for x
    x = 7,644,806,553.40/98,986.34
  6. Step 6: Final answer
    x = 77,230.92

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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.