Home / 67,544.69-93,215.21-38,868.71

Finding the Fourth Proportional to 67,544.69, 93,215.21 and 38,868.71

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Solution

The fourth proportional to 67,544.69, 93,215.21 and 38,868.71 is: 53,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,544.69 : 93,215.21 = 38,868.71 : x
  2. Step 2: Convert to fraction form
    67,544.69/93,215.21 = 38,868.71/x
  3. Step 3: Cross multiply
    67,544.69x = 93,215.21 × 38,868.71
  4. Step 4: Simplify right side
    67,544.69x = 3,623,154,829.00
  5. Step 5: Solve for x
    x = 3,623,154,829.00/67,544.69
  6. Step 6: Final answer
    x = 53,640.86

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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.