Home / 108,133.09-149,222.17-62,836.67

Finding the Fourth Proportional to 108,133.09, 149,222.17 and 62,836.67

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Solution

The fourth proportional to 108,133.09, 149,222.17 and 62,836.67 is: 86,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,133.09 : 149,222.17 = 62,836.67 : x
  2. Step 2: Convert to fraction form
    108,133.09/149,222.17 = 62,836.67/x
  3. Step 3: Cross multiply
    108,133.09x = 149,222.17 × 62,836.67
  4. Step 4: Simplify right side
    108,133.09x = 9,376,624,252.97
  5. Step 5: Solve for x
    x = 9,376,624,252.97/108,133.09
  6. Step 6: Final answer
    x = 86,713.74

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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.