Home / 49,553.60-74,416.80-47,998.40

Finding the Fourth Proportional to 49,553.60, 74,416.80 and 47,998.40

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Solution

The fourth proportional to 49,553.60, 74,416.80 and 47,998.40 is: 72,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,553.60 : 74,416.80 = 47,998.40 : x
  2. Step 2: Convert to fraction form
    49,553.60/74,416.80 = 47,998.40/x
  3. Step 3: Cross multiply
    49,553.60x = 74,416.80 × 47,998.40
  4. Step 4: Simplify right side
    49,553.60x = 3,571,887,333.12
  5. Step 5: Solve for x
    x = 3,571,887,333.12/49,553.60
  6. Step 6: Final answer
    x = 72,081.29

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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.