Home / 67,901.79-93,708.94-39,222.66

Finding the Fourth Proportional to 67,901.79, 93,708.94 and 39,222.66

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Solution

The fourth proportional to 67,901.79, 93,708.94 and 39,222.66 is: 54,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,901.79 : 93,708.94 = 39,222.66 : x
  2. Step 2: Convert to fraction form
    67,901.79/93,708.94 = 39,222.66/x
  3. Step 3: Cross multiply
    67,901.79x = 93,708.94 × 39,222.66
  4. Step 4: Simplify right side
    67,901.79x = 3,675,513,373.65
  5. Step 5: Solve for x
    x = 3,675,513,373.65/67,901.79
  6. Step 6: Final answer
    x = 54,129.85

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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.