Home / 43,115.49-64,746.81-23,432.49

Finding the Fourth Proportional to 43,115.49, 64,746.81 and 23,432.49

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Solution

The fourth proportional to 43,115.49, 64,746.81 and 23,432.49 is: 35,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115.49 : 64,746.81 = 23,432.49 : x
  2. Step 2: Convert to fraction form
    43,115.49/64,746.81 = 23,432.49/x
  3. Step 3: Cross multiply
    43,115.49x = 64,746.81 × 23,432.49
  4. Step 4: Simplify right side
    43,115.49x = 1,517,178,977.86
  5. Step 5: Solve for x
    x = 1,517,178,977.86/43,115.49
  6. Step 6: Final answer
    x = 35,188.72

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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.