Home / 91,758.84-137,625.30-29,421.24

Finding the Fourth Proportional to 91,758.84, 137,625.30 and 29,421.24

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Solution

The fourth proportional to 91,758.84, 137,625.30 and 29,421.24 is: 44,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,758.84 : 137,625.30 = 29,421.24 : x
  2. Step 2: Convert to fraction form
    91,758.84/137,625.30 = 29,421.24/x
  3. Step 3: Cross multiply
    91,758.84x = 137,625.30 × 29,421.24
  4. Step 4: Simplify right side
    91,758.84x = 4,049,106,981.37
  5. Step 5: Solve for x
    x = 4,049,106,981.37/91,758.84
  6. Step 6: Final answer
    x = 44,127.70

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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.