Home / 117,022.95-161,510.99-71,726.13

Finding the Fourth Proportional to 117,022.95, 161,510.99 and 71,726.13

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Solution

The fourth proportional to 117,022.95, 161,510.99 and 71,726.13 is: 98,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.95 : 161,510.99 = 71,726.13 : x
  2. Step 2: Convert to fraction form
    117,022.95/161,510.99 = 71,726.13/x
  3. Step 3: Cross multiply
    117,022.95x = 161,510.99 × 71,726.13
  4. Step 4: Simplify right side
    117,022.95x = 11,584,557,906.54
  5. Step 5: Solve for x
    x = 11,584,557,906.54/117,022.95
  6. Step 6: Final answer
    x = 98,993.90

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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.