Home / 91,788.84-137,666.79-25,220.34

Finding the Fourth Proportional to 91,788.84, 137,666.79 and 25,220.34

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Solution

The fourth proportional to 91,788.84, 137,666.79 and 25,220.34 is: 37,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788.84 : 137,666.79 = 25,220.34 : x
  2. Step 2: Convert to fraction form
    91,788.84/137,666.79 = 25,220.34/x
  3. Step 3: Cross multiply
    91,788.84x = 137,666.79 × 25,220.34
  4. Step 4: Simplify right side
    91,788.84x = 3,472,003,250.51
  5. Step 5: Solve for x
    x = 3,472,003,250.51/91,788.84
  6. Step 6: Final answer
    x = 37,825.98

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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.