Home / 106,812.75-147,399.17-59,066.49

Finding the Fourth Proportional to 106,812.75, 147,399.17 and 59,066.49

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Solution

The fourth proportional to 106,812.75, 147,399.17 and 59,066.49 is: 81,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812.75 : 147,399.17 = 59,066.49 : x
  2. Step 2: Convert to fraction form
    106,812.75/147,399.17 = 59,066.49/x
  3. Step 3: Cross multiply
    106,812.75x = 147,399.17 × 59,066.49
  4. Step 4: Simplify right side
    106,812.75x = 8,706,351,305.48
  5. Step 5: Solve for x
    x = 8,706,351,305.48/106,812.75
  6. Step 6: Final answer
    x = 81,510.41

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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.