Home / 99,152.17-136,779.27-63,304.49

Finding the Fourth Proportional to 99,152.17, 136,779.27 and 63,304.49

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Solution

The fourth proportional to 99,152.17, 136,779.27 and 63,304.49 is: 87,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,152.17 : 136,779.27 = 63,304.49 : x
  2. Step 2: Convert to fraction form
    99,152.17/136,779.27 = 63,304.49/x
  3. Step 3: Cross multiply
    99,152.17x = 136,779.27 × 63,304.49
  4. Step 4: Simplify right side
    99,152.17x = 8,658,741,929.92
  5. Step 5: Solve for x
    x = 8,658,741,929.92/99,152.17
  6. Step 6: Final answer
    x = 87,327.81

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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.