Home / 89,919.32-134,896.32-34,511

Finding the Fourth Proportional to 89,919.32, 134,896.32 and 34,511

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Solution

The fourth proportional to 89,919.32, 134,896.32 and 34,511 is: 51,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.32 : 134,896.32 = 34,511 : x
  2. Step 2: Convert to fraction form
    89,919.32/134,896.32 = 34,511/x
  3. Step 3: Cross multiply
    89,919.32x = 134,896.32 × 34,511
  4. Step 4: Simplify right side
    89,919.32x = 4,655,406,899.52
  5. Step 5: Solve for x
    x = 4,655,406,899.52/89,919.32
  6. Step 6: Final answer
    x = 51,773.16

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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.