Home / 98,733.40-148,134.66-28,616.92

Finding the Fourth Proportional to 98,733.40, 148,134.66 and 28,616.92

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Solution

The fourth proportional to 98,733.40, 148,134.66 and 28,616.92 is: 42,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,733.40 : 148,134.66 = 28,616.92 : x
  2. Step 2: Convert to fraction form
    98,733.40/148,134.66 = 28,616.92/x
  3. Step 3: Cross multiply
    98,733.40x = 148,134.66 × 28,616.92
  4. Step 4: Simplify right side
    98,733.40x = 4,239,157,714.45
  5. Step 5: Solve for x
    x = 4,239,157,714.45/98,733.40
  6. Step 6: Final answer
    x = 42,935.40

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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.