Home / 77,350.21-106,723.38-45,513.16

Finding the Fourth Proportional to 77,350.21, 106,723.38 and 45,513.16

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Solution

The fourth proportional to 77,350.21, 106,723.38 and 45,513.16 is: 62,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,350.21 : 106,723.38 = 45,513.16 : x
  2. Step 2: Convert to fraction form
    77,350.21/106,723.38 = 45,513.16/x
  3. Step 3: Cross multiply
    77,350.21x = 106,723.38 × 45,513.16
  4. Step 4: Simplify right side
    77,350.21x = 4,857,318,269.68
  5. Step 5: Solve for x
    x = 4,857,318,269.68/77,350.21
  6. Step 6: Final answer
    x = 62,796.45

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1.5x scale

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.