Home / 89,931.24-134,871.30-26,748.78

Finding the Fourth Proportional to 89,931.24, 134,871.30 and 26,748.78

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Solution

The fourth proportional to 89,931.24, 134,871.30 and 26,748.78 is: 40,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931.24 : 134,871.30 = 26,748.78 : x
  2. Step 2: Convert to fraction form
    89,931.24/134,871.30 = 26,748.78/x
  3. Step 3: Cross multiply
    89,931.24x = 134,871.30 × 26,748.78
  4. Step 4: Simplify right side
    89,931.24x = 3,607,642,732.01
  5. Step 5: Solve for x
    x = 3,607,642,732.01/89,931.24
  6. Step 6: Final answer
    x = 40,115.57

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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.