Home / 67,510.57-93,133.56-39,210.79

Finding the Fourth Proportional to 67,510.57, 93,133.56 and 39,210.79

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Solution

The fourth proportional to 67,510.57, 93,133.56 and 39,210.79 is: 54,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,510.57 : 93,133.56 = 39,210.79 : x
  2. Step 2: Convert to fraction form
    67,510.57/93,133.56 = 39,210.79/x
  3. Step 3: Cross multiply
    67,510.57x = 93,133.56 × 39,210.79
  4. Step 4: Simplify right side
    67,510.57x = 3,651,840,463.11
  5. Step 5: Solve for x
    x = 3,651,840,463.11/67,510.57
  6. Step 6: Final answer
    x = 54,092.87

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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.