Home / 120,713.19-181,089.23-37,587.75

Finding the Fourth Proportional to 120,713.19, 181,089.23 and 37,587.75

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Solution

The fourth proportional to 120,713.19, 181,089.23 and 37,587.75 is: 56,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,713.19 : 181,089.23 = 37,587.75 : x
  2. Step 2: Convert to fraction form
    120,713.19/181,089.23 = 37,587.75/x
  3. Step 3: Cross multiply
    120,713.19x = 181,089.23 × 37,587.75
  4. Step 4: Simplify right side
    120,713.19x = 6,806,736,516.99
  5. Step 5: Solve for x
    x = 6,806,736,516.99/120,713.19
  6. Step 6: Final answer
    x = 56,387.68

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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.