Home / 91,836.16-137,777.12-26,172.16

Finding the Fourth Proportional to 91,836.16, 137,777.12 and 26,172.16

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Solution

The fourth proportional to 91,836.16, 137,777.12 and 26,172.16 is: 39,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,836.16 : 137,777.12 = 26,172.16 : x
  2. Step 2: Convert to fraction form
    91,836.16/137,777.12 = 26,172.16/x
  3. Step 3: Cross multiply
    91,836.16x = 137,777.12 × 26,172.16
  4. Step 4: Simplify right side
    91,836.16x = 3,605,924,828.98
  5. Step 5: Solve for x
    x = 3,605,924,828.98/91,836.16
  6. Step 6: Final answer
    x = 39,264.76

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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.