Home / 69,868.68-104,823.66-40,307.76

Finding the Fourth Proportional to 69,868.68, 104,823.66 and 40,307.76

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Solution

The fourth proportional to 69,868.68, 104,823.66 and 40,307.76 is: 60,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.68 : 104,823.66 = 40,307.76 : x
  2. Step 2: Convert to fraction form
    69,868.68/104,823.66 = 40,307.76/x
  3. Step 3: Cross multiply
    69,868.68x = 104,823.66 × 40,307.76
  4. Step 4: Simplify right side
    69,868.68x = 4,225,206,929.60
  5. Step 5: Solve for x
    x = 4,225,206,929.60/69,868.68
  6. Step 6: Final answer
    x = 60,473.55

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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.