Home / 89,512.86-134,269.29-42,623.58

Finding the Fourth Proportional to 89,512.86, 134,269.29 and 42,623.58

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Solution

The fourth proportional to 89,512.86, 134,269.29 and 42,623.58 is: 63,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512.86 : 134,269.29 = 42,623.58 : x
  2. Step 2: Convert to fraction form
    89,512.86/134,269.29 = 42,623.58/x
  3. Step 3: Cross multiply
    89,512.86x = 134,269.29 × 42,623.58
  4. Step 4: Simplify right side
    89,512.86x = 5,723,037,823.86
  5. Step 5: Solve for x
    x = 5,723,037,823.86/89,512.86
  6. Step 6: Final answer
    x = 63,935.37

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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.