Home / 52,539.20-78,679.20-34,913.60

Finding the Fourth Proportional to 52,539.20, 78,679.20 and 34,913.60

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Solution

The fourth proportional to 52,539.20, 78,679.20 and 34,913.60 is: 52,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539.20 : 78,679.20 = 34,913.60 : x
  2. Step 2: Convert to fraction form
    52,539.20/78,679.20 = 34,913.60/x
  3. Step 3: Cross multiply
    52,539.20x = 78,679.20 × 34,913.60
  4. Step 4: Simplify right side
    52,539.20x = 2,746,974,117.12
  5. Step 5: Solve for x
    x = 2,746,974,117.12/52,539.20
  6. Step 6: Final answer
    x = 52,284.28

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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.