Home / 98,530.32-147,854.36-36,207.12

Finding the Fourth Proportional to 98,530.32, 147,854.36 and 36,207.12

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Solution

The fourth proportional to 98,530.32, 147,854.36 and 36,207.12 is: 54,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,530.32 : 147,854.36 = 36,207.12 : x
  2. Step 2: Convert to fraction form
    98,530.32/147,854.36 = 36,207.12/x
  3. Step 3: Cross multiply
    98,530.32x = 147,854.36 × 36,207.12
  4. Step 4: Simplify right side
    98,530.32x = 5,353,380,555.04
  5. Step 5: Solve for x
    x = 5,353,380,555.04/98,530.32
  6. Step 6: Final answer
    x = 54,332.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.