Home / 52,580.20-78,740.70-34,954.60

Finding the Fourth Proportional to 52,580.20, 78,740.70 and 34,954.60

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Solution

The fourth proportional to 52,580.20, 78,740.70 and 34,954.60 is: 52,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.20 : 78,740.70 = 34,954.60 : x
  2. Step 2: Convert to fraction form
    52,580.20/78,740.70 = 34,954.60/x
  3. Step 3: Cross multiply
    52,580.20x = 78,740.70 × 34,954.60
  4. Step 4: Simplify right side
    52,580.20x = 2,752,349,672.22
  5. Step 5: Solve for x
    x = 2,752,349,672.22/52,580.20
  6. Step 6: Final answer
    x = 52,345.74

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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.