Home / 99,148.62-136,826.10-53,827.02

Finding the Fourth Proportional to 99,148.62, 136,826.10 and 53,827.02

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Solution

The fourth proportional to 99,148.62, 136,826.10 and 53,827.02 is: 74,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,148.62 : 136,826.10 = 53,827.02 : x
  2. Step 2: Convert to fraction form
    99,148.62/136,826.10 = 53,827.02/x
  3. Step 3: Cross multiply
    99,148.62x = 136,826.10 × 53,827.02
  4. Step 4: Simplify right side
    99,148.62x = 7,364,941,221.22
  5. Step 5: Solve for x
    x = 7,364,941,221.22/99,148.62
  6. Step 6: Final answer
    x = 74,281.83

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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.