Home / 64,715.19-89,334.51-43,506.75

Finding the Fourth Proportional to 64,715.19, 89,334.51 and 43,506.75

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Solution

The fourth proportional to 64,715.19, 89,334.51 and 43,506.75 is: 60,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715.19 : 89,334.51 = 43,506.75 : x
  2. Step 2: Convert to fraction form
    64,715.19/89,334.51 = 43,506.75/x
  3. Step 3: Cross multiply
    64,715.19x = 89,334.51 × 43,506.75
  4. Step 4: Simplify right side
    64,715.19x = 3,886,654,691.10
  5. Step 5: Solve for x
    x = 3,886,654,691.10/64,715.19
  6. Step 6: Final answer
    x = 60,057.85

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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.