Home / 106,839.80-147,440.22-59,091.92

Finding the Fourth Proportional to 106,839.80, 147,440.22 and 59,091.92

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Solution

The fourth proportional to 106,839.80, 147,440.22 and 59,091.92 is: 81,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,839.80 : 147,440.22 = 59,091.92 : x
  2. Step 2: Convert to fraction form
    106,839.80/147,440.22 = 59,091.92/x
  3. Step 3: Cross multiply
    106,839.80x = 147,440.22 × 59,091.92
  4. Step 4: Simplify right side
    106,839.80x = 8,712,525,685.02
  5. Step 5: Solve for x
    x = 8,712,525,685.02/106,839.80
  6. Step 6: Final answer
    x = 81,547.57

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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.