Home / 98,119.36-135,420.15-59,887.18

Finding the Fourth Proportional to 98,119.36, 135,420.15 and 59,887.18

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Solution

The fourth proportional to 98,119.36, 135,420.15 and 59,887.18 is: 82,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,119.36 : 135,420.15 = 59,887.18 : x
  2. Step 2: Convert to fraction form
    98,119.36/135,420.15 = 59,887.18/x
  3. Step 3: Cross multiply
    98,119.36x = 135,420.15 × 59,887.18
  4. Step 4: Simplify right side
    98,119.36x = 8,109,930,898.68
  5. Step 5: Solve for x
    x = 8,109,930,898.68/98,119.36
  6. Step 6: Final answer
    x = 82,653.73

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1.5x scale

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.