Home / 123,785.33-185,685.29-35,031.47

Finding the Fourth Proportional to 123,785.33, 185,685.29 and 35,031.47

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Solution

The fourth proportional to 123,785.33, 185,685.29 and 35,031.47 is: 52,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,785.33 : 185,685.29 = 35,031.47 : x
  2. Step 2: Convert to fraction form
    123,785.33/185,685.29 = 35,031.47/x
  3. Step 3: Cross multiply
    123,785.33x = 185,685.29 × 35,031.47
  4. Step 4: Simplify right side
    123,785.33x = 6,504,828,666.08
  5. Step 5: Solve for x
    x = 6,504,828,666.08/123,785.33
  6. Step 6: Final answer
    x = 52,549.27

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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.