Home / 77,987.54-107,616.21-46,150.82

Finding the Fourth Proportional to 77,987.54, 107,616.21 and 46,150.82

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Solution

The fourth proportional to 77,987.54, 107,616.21 and 46,150.82 is: 63,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,987.54 : 107,616.21 = 46,150.82 : x
  2. Step 2: Convert to fraction form
    77,987.54/107,616.21 = 46,150.82/x
  3. Step 3: Cross multiply
    77,987.54x = 107,616.21 × 46,150.82
  4. Step 4: Simplify right side
    77,987.54x = 4,966,576,336.79
  5. Step 5: Solve for x
    x = 4,966,576,336.79/77,987.54
  6. Step 6: Final answer
    x = 63,684.23

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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.