Home / 52,306.80-78,460.20-34,719.60

Finding the Fourth Proportional to 52,306.80, 78,460.20 and 34,719.60

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Solution

The fourth proportional to 52,306.80, 78,460.20 and 34,719.60 is: 52,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,306.80 : 78,460.20 = 34,719.60 : x
  2. Step 2: Convert to fraction form
    52,306.80/78,460.20 = 34,719.60/x
  3. Step 3: Cross multiply
    52,306.80x = 78,460.20 × 34,719.60
  4. Step 4: Simplify right side
    52,306.80x = 2,724,106,759.92
  5. Step 5: Solve for x
    x = 2,724,106,759.92/52,306.80
  6. Step 6: Final answer
    x = 52,079.40

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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.