Home / 98,081.32-135,355.30-60,377.32

Finding the Fourth Proportional to 98,081.32, 135,355.30 and 60,377.32

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Solution

The fourth proportional to 98,081.32, 135,355.30 and 60,377.32 is: 83,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,081.32 : 135,355.30 = 60,377.32 : x
  2. Step 2: Convert to fraction form
    98,081.32/135,355.30 = 60,377.32/x
  3. Step 3: Cross multiply
    98,081.32x = 135,355.30 × 60,377.32
  4. Step 4: Simplify right side
    98,081.32x = 8,172,390,261.80
  5. Step 5: Solve for x
    x = 8,172,390,261.80/98,081.32
  6. Step 6: Final answer
    x = 83,322.60

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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.