Home / 52,645.20-78,967.80-48,344.40

Finding the Fourth Proportional to 52,645.20, 78,967.80 and 48,344.40

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Solution

The fourth proportional to 52,645.20, 78,967.80 and 48,344.40 is: 72,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.20 : 78,967.80 = 48,344.40 : x
  2. Step 2: Convert to fraction form
    52,645.20/78,967.80 = 48,344.40/x
  3. Step 3: Cross multiply
    52,645.20x = 78,967.80 × 48,344.40
  4. Step 4: Simplify right side
    52,645.20x = 3,817,650,910.32
  5. Step 5: Solve for x
    x = 3,817,650,910.32/52,645.20
  6. Step 6: Final answer
    x = 72,516.60

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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.