Home / 74,614.36-111,851.17-37,139

Finding the Fourth Proportional to 74,614.36, 111,851.17 and 37,139

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Solution

The fourth proportional to 74,614.36, 111,851.17 and 37,139 is: 55,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.36 : 111,851.17 = 37,139 : x
  2. Step 2: Convert to fraction form
    74,614.36/111,851.17 = 37,139/x
  3. Step 3: Cross multiply
    74,614.36x = 111,851.17 × 37,139
  4. Step 4: Simplify right side
    74,614.36x = 4,154,040,602.63
  5. Step 5: Solve for x
    x = 4,154,040,602.63/74,614.36
  6. Step 6: Final answer
    x = 55,673.47

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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.