Home / 85,524.50-118,014.78-47,277.90

Finding the Fourth Proportional to 85,524.50, 118,014.78 and 47,277.90

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Solution

The fourth proportional to 85,524.50, 118,014.78 and 47,277.90 is: 65,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524.50 : 118,014.78 = 47,277.90 : x
  2. Step 2: Convert to fraction form
    85,524.50/118,014.78 = 47,277.90/x
  3. Step 3: Cross multiply
    85,524.50x = 118,014.78 × 47,277.90
  4. Step 4: Simplify right side
    85,524.50x = 5,579,490,377.29
  5. Step 5: Solve for x
    x = 5,579,490,377.29/85,524.50
  6. Step 6: Final answer
    x = 65,238.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.