Home / 86,538.50-119,423.07-48,812.75

Finding the Fourth Proportional to 86,538.50, 119,423.07 and 48,812.75

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Solution

The fourth proportional to 86,538.50, 119,423.07 and 48,812.75 is: 67,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.50 : 119,423.07 = 48,812.75 : x
  2. Step 2: Convert to fraction form
    86,538.50/119,423.07 = 48,812.75/x
  3. Step 3: Cross multiply
    86,538.50x = 119,423.07 × 48,812.75
  4. Step 4: Simplify right side
    86,538.50x = 5,829,368,758.70
  5. Step 5: Solve for x
    x = 5,829,368,758.70/86,538.50
  6. Step 6: Final answer
    x = 67,361.56

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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.