Home / 48,579.70-67,345.72-45,918.86

Finding the Fourth Proportional to 48,579.70, 67,345.72 and 45,918.86

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Solution

The fourth proportional to 48,579.70, 67,345.72 and 45,918.86 is: 63,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.70 : 67,345.72 = 45,918.86 : x
  2. Step 2: Convert to fraction form
    48,579.70/67,345.72 = 45,918.86/x
  3. Step 3: Cross multiply
    48,579.70x = 67,345.72 × 45,918.86
  4. Step 4: Simplify right side
    48,579.70x = 3,092,438,688.28
  5. Step 5: Solve for x
    x = 3,092,438,688.28/48,579.70
  6. Step 6: Final answer
    x = 63,657.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.