Home / 74,615.23-111,852.49-37,139.87

Finding the Fourth Proportional to 74,615.23, 111,852.49 and 37,139.87

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Solution

The fourth proportional to 74,615.23, 111,852.49 and 37,139.87 is: 55,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615.23 : 111,852.49 = 37,139.87 : x
  2. Step 2: Convert to fraction form
    74,615.23/111,852.49 = 37,139.87/x
  3. Step 3: Cross multiply
    74,615.23x = 111,852.49 × 37,139.87
  4. Step 4: Simplify right side
    74,615.23x = 4,154,186,937.78
  5. Step 5: Solve for x
    x = 4,154,186,937.78/74,615.23
  6. Step 6: Final answer
    x = 55,674.79

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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.