Home / 117,591.10-176,335.62-42,686.36

Finding the Fourth Proportional to 117,591.10, 176,335.62 and 42,686.36

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Solution

The fourth proportional to 117,591.10, 176,335.62 and 42,686.36 is: 64,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.10 : 176,335.62 = 42,686.36 : x
  2. Step 2: Convert to fraction form
    117,591.10/176,335.62 = 42,686.36/x
  3. Step 3: Cross multiply
    117,591.10x = 176,335.62 × 42,686.36
  4. Step 4: Simplify right side
    117,591.10x = 7,527,125,756.14
  5. Step 5: Solve for x
    x = 7,527,125,756.14/117,591.10
  6. Step 6: Final answer
    x = 64,011.02

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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.