Home / 99,736.77-137,727.29-74,233.83

Finding the Fourth Proportional to 99,736.77, 137,727.29 and 74,233.83

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Solution

The fourth proportional to 99,736.77, 137,727.29 and 74,233.83 is: 102,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,736.77 : 137,727.29 = 74,233.83 : x
  2. Step 2: Convert to fraction form
    99,736.77/137,727.29 = 74,233.83/x
  3. Step 3: Cross multiply
    99,736.77x = 137,727.29 × 74,233.83
  4. Step 4: Simplify right side
    99,736.77x = 10,224,024,232.22
  5. Step 5: Solve for x
    x = 10,224,024,232.22/99,736.77
  6. Step 6: Final answer
    x = 102,510.08

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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.