Home / 98,588.34-136,051.02-55,581.62

Finding the Fourth Proportional to 98,588.34, 136,051.02 and 55,581.62

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Solution

The fourth proportional to 98,588.34, 136,051.02 and 55,581.62 is: 76,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,588.34 : 136,051.02 = 55,581.62 : x
  2. Step 2: Convert to fraction form
    98,588.34/136,051.02 = 55,581.62/x
  3. Step 3: Cross multiply
    98,588.34x = 136,051.02 × 55,581.62
  4. Step 4: Simplify right side
    98,588.34x = 7,561,935,414.00
  5. Step 5: Solve for x
    x = 7,561,935,414.00/98,588.34
  6. Step 6: Final answer
    x = 76,702.13

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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.