Home / 98,534.61-135,988.61-56,086.29

Finding the Fourth Proportional to 98,534.61, 135,988.61 and 56,086.29

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Solution

The fourth proportional to 98,534.61, 135,988.61 and 56,086.29 is: 77,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,534.61 : 135,988.61 = 56,086.29 : x
  2. Step 2: Convert to fraction form
    98,534.61/135,988.61 = 56,086.29/x
  3. Step 3: Cross multiply
    98,534.61x = 135,988.61 × 56,086.29
  4. Step 4: Simplify right side
    98,534.61x = 7,627,096,336.73
  5. Step 5: Solve for x
    x = 7,627,096,336.73/98,534.61
  6. Step 6: Final answer
    x = 77,405.25

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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.