Home / 60,739.46-91,139.95-40,976.51

Finding the Fourth Proportional to 60,739.46, 91,139.95 and 40,976.51

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Solution

The fourth proportional to 60,739.46, 91,139.95 and 40,976.51 is: 61,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739.46 : 91,139.95 = 40,976.51 : x
  2. Step 2: Convert to fraction form
    60,739.46/91,139.95 = 40,976.51/x
  3. Step 3: Cross multiply
    60,739.46x = 91,139.95 × 40,976.51
  4. Step 4: Simplify right side
    60,739.46x = 3,734,596,616.87
  5. Step 5: Solve for x
    x = 3,734,596,616.87/60,739.46
  6. Step 6: Final answer
    x = 61,485.51

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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.