Home / 48,667.10-73,000.65-42,640.70

Finding the Fourth Proportional to 48,667.10, 73,000.65 and 42,640.70

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Solution

The fourth proportional to 48,667.10, 73,000.65 and 42,640.70 is: 63,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,667.10 : 73,000.65 = 42,640.70 : x
  2. Step 2: Convert to fraction form
    48,667.10/73,000.65 = 42,640.70/x
  3. Step 3: Cross multiply
    48,667.10x = 73,000.65 × 42,640.70
  4. Step 4: Simplify right side
    48,667.10x = 3,112,798,816.46
  5. Step 5: Solve for x
    x = 3,112,798,816.46/48,667.10
  6. Step 6: Final answer
    x = 63,961.05

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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.