Home / 52,275.78-78,430.68-35,610.84

Finding the Fourth Proportional to 52,275.78, 78,430.68 and 35,610.84

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Solution

The fourth proportional to 52,275.78, 78,430.68 and 35,610.84 is: 53,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.78 : 78,430.68 = 35,610.84 : x
  2. Step 2: Convert to fraction form
    52,275.78/78,430.68 = 35,610.84/x
  3. Step 3: Cross multiply
    52,275.78x = 78,430.68 × 35,610.84
  4. Step 4: Simplify right side
    52,275.78x = 2,792,982,396.57
  5. Step 5: Solve for x
    x = 2,792,982,396.57/52,275.78
  6. Step 6: Final answer
    x = 53,427.85

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1.5x scale

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.