Home / 108,453.81-149,666.22-60,707.17

Finding the Fourth Proportional to 108,453.81, 149,666.22 and 60,707.17

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Solution

The fourth proportional to 108,453.81, 149,666.22 and 60,707.17 is: 83,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,453.81 : 149,666.22 = 60,707.17 : x
  2. Step 2: Convert to fraction form
    108,453.81/149,666.22 = 60,707.17/x
  3. Step 3: Cross multiply
    108,453.81x = 149,666.22 × 60,707.17
  4. Step 4: Simplify right side
    108,453.81x = 9,085,812,660.80
  5. Step 5: Solve for x
    x = 9,085,812,660.80/108,453.81
  6. Step 6: Final answer
    x = 83,775.87

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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.