Home / 74,793.85-112,134.98-45,205.45

Finding the Fourth Proportional to 74,793.85, 112,134.98 and 45,205.45

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Solution

The fourth proportional to 74,793.85, 112,134.98 and 45,205.45 is: 67,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.85 : 112,134.98 = 45,205.45 : x
  2. Step 2: Convert to fraction form
    74,793.85/112,134.98 = 45,205.45/x
  3. Step 3: Cross multiply
    74,793.85x = 112,134.98 × 45,205.45
  4. Step 4: Simplify right side
    74,793.85x = 5,069,112,005.61
  5. Step 5: Solve for x
    x = 5,069,112,005.61/74,793.85
  6. Step 6: Final answer
    x = 67,774.45

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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.