Home / 117,061.99-161,552.87-66,083.36

Finding the Fourth Proportional to 117,061.99, 161,552.87 and 66,083.36

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Solution

The fourth proportional to 117,061.99, 161,552.87 and 66,083.36 is: 91,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,061.99 : 161,552.87 = 66,083.36 : x
  2. Step 2: Convert to fraction form
    117,061.99/161,552.87 = 66,083.36/x
  3. Step 3: Cross multiply
    117,061.99x = 161,552.87 × 66,083.36
  4. Step 4: Simplify right side
    117,061.99x = 10,675,955,329.06
  5. Step 5: Solve for x
    x = 10,675,955,329.06/117,061.99
  6. Step 6: Final answer
    x = 91,199.16

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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.