Home / 48,223.60-72,335.40-40,447.60

Finding the Fourth Proportional to 48,223.60, 72,335.40 and 40,447.60

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Solution

The fourth proportional to 48,223.60, 72,335.40 and 40,447.60 is: 60,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,223.60 : 72,335.40 = 40,447.60 : x
  2. Step 2: Convert to fraction form
    48,223.60/72,335.40 = 40,447.60/x
  3. Step 3: Cross multiply
    48,223.60x = 72,335.40 × 40,447.60
  4. Step 4: Simplify right side
    48,223.60x = 2,925,793,325.04
  5. Step 5: Solve for x
    x = 2,925,793,325.04/48,223.60
  6. Step 6: Final answer
    x = 60,671.40

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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.