Home / 52,546.80-78,820.20-49,436.40

Finding the Fourth Proportional to 52,546.80, 78,820.20 and 49,436.40

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Solution

The fourth proportional to 52,546.80, 78,820.20 and 49,436.40 is: 74,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,546.80 : 78,820.20 = 49,436.40 : x
  2. Step 2: Convert to fraction form
    52,546.80/78,820.20 = 49,436.40/x
  3. Step 3: Cross multiply
    52,546.80x = 78,820.20 × 49,436.40
  4. Step 4: Simplify right side
    52,546.80x = 3,896,586,935.28
  5. Step 5: Solve for x
    x = 3,896,586,935.28/52,546.80
  6. Step 6: Final answer
    x = 74,154.60

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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.