Home / 74,911.80-112,225.14-39,867.96

Finding the Fourth Proportional to 74,911.80, 112,225.14 and 39,867.96

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Solution

The fourth proportional to 74,911.80, 112,225.14 and 39,867.96 is: 59,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911.80 : 112,225.14 = 39,867.96 : x
  2. Step 2: Convert to fraction form
    74,911.80/112,225.14 = 39,867.96/x
  3. Step 3: Cross multiply
    74,911.80x = 112,225.14 × 39,867.96
  4. Step 4: Simplify right side
    74,911.80x = 4,474,187,392.51
  5. Step 5: Solve for x
    x = 4,474,187,392.51/74,911.80
  6. Step 6: Final answer
    x = 59,726.07

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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.