Home / 49,875.60-74,813.40-45,793.20

Finding the Fourth Proportional to 49,875.60, 74,813.40 and 45,793.20

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Solution

The fourth proportional to 49,875.60, 74,813.40 and 45,793.20 is: 68,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.60 : 74,813.40 = 45,793.20 : x
  2. Step 2: Convert to fraction form
    49,875.60/74,813.40 = 45,793.20/x
  3. Step 3: Cross multiply
    49,875.60x = 74,813.40 × 45,793.20
  4. Step 4: Simplify right side
    49,875.60x = 3,425,944,988.88
  5. Step 5: Solve for x
    x = 3,425,944,988.88/49,875.60
  6. Step 6: Final answer
    x = 68,689.80

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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.