Home / 62,345.16-85,979.34-48,735

Finding the Fourth Proportional to 62,345.16, 85,979.34 and 48,735

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Solution

The fourth proportional to 62,345.16, 85,979.34 and 48,735 is: 67,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,345.16 : 85,979.34 = 48,735 : x
  2. Step 2: Convert to fraction form
    62,345.16/85,979.34 = 48,735/x
  3. Step 3: Cross multiply
    62,345.16x = 85,979.34 × 48,735
  4. Step 4: Simplify right side
    62,345.16x = 4,190,203,134.90
  5. Step 5: Solve for x
    x = 4,190,203,134.90/62,345.16
  6. Step 6: Final answer
    x = 67,209.76

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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.