Home / 48,616.80-72,925.20-40,322.40

Finding the Fourth Proportional to 48,616.80, 72,925.20 and 40,322.40

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Solution

The fourth proportional to 48,616.80, 72,925.20 and 40,322.40 is: 60,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.80 : 72,925.20 = 40,322.40 : x
  2. Step 2: Convert to fraction form
    48,616.80/72,925.20 = 40,322.40/x
  3. Step 3: Cross multiply
    48,616.80x = 72,925.20 × 40,322.40
  4. Step 4: Simplify right side
    48,616.80x = 2,940,519,084.48
  5. Step 5: Solve for x
    x = 2,940,519,084.48/48,616.80
  6. Step 6: Final answer
    x = 60,483.60

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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.