Home / 85,958.28-118,620.50-47,715.57

Finding the Fourth Proportional to 85,958.28, 118,620.50 and 47,715.57

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Solution

The fourth proportional to 85,958.28, 118,620.50 and 47,715.57 is: 65,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,958.28 : 118,620.50 = 47,715.57 : x
  2. Step 2: Convert to fraction form
    85,958.28/118,620.50 = 47,715.57/x
  3. Step 3: Cross multiply
    85,958.28x = 118,620.50 × 47,715.57
  4. Step 4: Simplify right side
    85,958.28x = 5,660,044,532.61
  5. Step 5: Solve for x
    x = 5,660,044,532.61/85,958.28
  6. Step 6: Final answer
    x = 65,846.41

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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.