Home / 89,885.32-134,845.28-34,477

Finding the Fourth Proportional to 89,885.32, 134,845.28 and 34,477

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Solution

The fourth proportional to 89,885.32, 134,845.28 and 34,477 is: 51,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885.32 : 134,845.28 = 34,477 : x
  2. Step 2: Convert to fraction form
    89,885.32/134,845.28 = 34,477/x
  3. Step 3: Cross multiply
    89,885.32x = 134,845.28 × 34,477
  4. Step 4: Simplify right side
    89,885.32x = 4,649,060,718.56
  5. Step 5: Solve for x
    x = 4,649,060,718.56/89,885.32
  6. Step 6: Final answer
    x = 51,722.14

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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.