Home / 123,718.02-185,604.36-52,636.87

Finding the Fourth Proportional to 123,718.02, 185,604.36 and 52,636.87

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Solution

The fourth proportional to 123,718.02, 185,604.36 and 52,636.87 is: 78,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,718.02 : 185,604.36 = 52,636.87 : x
  2. Step 2: Convert to fraction form
    123,718.02/185,604.36 = 52,636.87/x
  3. Step 3: Cross multiply
    123,718.02x = 185,604.36 × 52,636.87
  4. Step 4: Simplify right side
    123,718.02x = 9,769,632,568.75
  5. Step 5: Solve for x
    x = 9,769,632,568.75/123,718.02
  6. Step 6: Final answer
    x = 78,966.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.