Home / 89,316.32-123,247.47-53,505.41

Finding the Fourth Proportional to 89,316.32, 123,247.47 and 53,505.41

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Solution

The fourth proportional to 89,316.32, 123,247.47 and 53,505.41 is: 73,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.32 : 123,247.47 = 53,505.41 : x
  2. Step 2: Convert to fraction form
    89,316.32/123,247.47 = 53,505.41/x
  3. Step 3: Cross multiply
    89,316.32x = 123,247.47 × 53,505.41
  4. Step 4: Simplify right side
    89,316.32x = 6,594,406,691.49
  5. Step 5: Solve for x
    x = 6,594,406,691.49/89,316.32
  6. Step 6: Final answer
    x = 73,832.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.