Home / 123,822.88-170,948.07-89,798.63

Finding the Fourth Proportional to 123,822.88, 170,948.07 and 89,798.63

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Solution

The fourth proportional to 123,822.88, 170,948.07 and 89,798.63 is: 123,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822.88 : 170,948.07 = 89,798.63 : x
  2. Step 2: Convert to fraction form
    123,822.88/170,948.07 = 89,798.63/x
  3. Step 3: Cross multiply
    123,822.88x = 170,948.07 × 89,798.63
  4. Step 4: Simplify right side
    123,822.88x = 15,350,901,632.40
  5. Step 5: Solve for x
    x = 15,350,901,632.40/123,822.88
  6. Step 6: Final answer
    x = 123,974.68

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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.