Home / 117,814.20-176,606.10-47,599.80

Finding the Fourth Proportional to 117,814.20, 176,606.10 and 47,599.80

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Solution

The fourth proportional to 117,814.20, 176,606.10 and 47,599.80 is: 71,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,814.20 : 176,606.10 = 47,599.80 : x
  2. Step 2: Convert to fraction form
    117,814.20/176,606.10 = 47,599.80/x
  3. Step 3: Cross multiply
    117,814.20x = 176,606.10 × 47,599.80
  4. Step 4: Simplify right side
    117,814.20x = 8,406,415,038.78
  5. Step 5: Solve for x
    x = 8,406,415,038.78/117,814.20
  6. Step 6: Final answer
    x = 71,353.16

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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.