Home / 98,495.19-135,928.43-60,242.74

Finding the Fourth Proportional to 98,495.19, 135,928.43 and 60,242.74

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Solution

The fourth proportional to 98,495.19, 135,928.43 and 60,242.74 is: 83,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,495.19 : 135,928.43 = 60,242.74 : x
  2. Step 2: Convert to fraction form
    98,495.19/135,928.43 = 60,242.74/x
  3. Step 3: Cross multiply
    98,495.19x = 135,928.43 × 60,242.74
  4. Step 4: Simplify right side
    98,495.19x = 8,188,700,651.97
  5. Step 5: Solve for x
    x = 8,188,700,651.97/98,495.19
  6. Step 6: Final answer
    x = 83,138.08

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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.