Home / 50,233.60-75,436.80-48,678.40

Finding the Fourth Proportional to 50,233.60, 75,436.80 and 48,678.40

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Solution

The fourth proportional to 50,233.60, 75,436.80 and 48,678.40 is: 73,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,233.60 : 75,436.80 = 48,678.40 : x
  2. Step 2: Convert to fraction form
    50,233.60/75,436.80 = 48,678.40/x
  3. Step 3: Cross multiply
    50,233.60x = 75,436.80 × 48,678.40
  4. Step 4: Simplify right side
    50,233.60x = 3,672,142,725.12
  5. Step 5: Solve for x
    x = 3,672,142,725.12/50,233.60
  6. Step 6: Final answer
    x = 73,101.33

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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.