Home / 62,185.12-85,356.32-55,320.40

Finding the Fourth Proportional to 62,185.12, 85,356.32 and 55,320.40

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Solution

The fourth proportional to 62,185.12, 85,356.32 and 55,320.40 is: 75,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,185.12 : 85,356.32 = 55,320.40 : x
  2. Step 2: Convert to fraction form
    62,185.12/85,356.32 = 55,320.40/x
  3. Step 3: Cross multiply
    62,185.12x = 85,356.32 × 55,320.40
  4. Step 4: Simplify right side
    62,185.12x = 4,721,945,764.93
  5. Step 5: Solve for x
    x = 4,721,945,764.93/62,185.12
  6. Step 6: Final answer
    x = 75,933.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.