Home / 98,316.64-135,644.88-58,016.80

Finding the Fourth Proportional to 98,316.64, 135,644.88 and 58,016.80

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Solution

The fourth proportional to 98,316.64, 135,644.88 and 58,016.80 is: 80,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.64 : 135,644.88 = 58,016.80 : x
  2. Step 2: Convert to fraction form
    98,316.64/135,644.88 = 58,016.80/x
  3. Step 3: Cross multiply
    98,316.64x = 135,644.88 × 58,016.80
  4. Step 4: Simplify right side
    98,316.64x = 7,869,681,873.98
  5. Step 5: Solve for x
    x = 7,869,681,873.98/98,316.64
  6. Step 6: Final answer
    x = 80,044.25

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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.