Home / 52,182.41-78,272.06-45,141.63

Finding the Fourth Proportional to 52,182.41, 78,272.06 and 45,141.63

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Solution

The fourth proportional to 52,182.41, 78,272.06 and 45,141.63 is: 67,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,182.41 : 78,272.06 = 45,141.63 : x
  2. Step 2: Convert to fraction form
    52,182.41/78,272.06 = 45,141.63/x
  3. Step 3: Cross multiply
    52,182.41x = 78,272.06 × 45,141.63
  4. Step 4: Simplify right side
    52,182.41x = 3,533,328,146.15
  5. Step 5: Solve for x
    x = 3,533,328,146.15/52,182.41
  6. Step 6: Final answer
    x = 67,711.10

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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.