Home / 77,908.10-107,520.74-46,087.24

Finding the Fourth Proportional to 77,908.10, 107,520.74 and 46,087.24

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Solution

The fourth proportional to 77,908.10, 107,520.74 and 46,087.24 is: 63,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,908.10 : 107,520.74 = 46,087.24 : x
  2. Step 2: Convert to fraction form
    77,908.10/107,520.74 = 46,087.24/x
  3. Step 3: Cross multiply
    77,908.10x = 107,520.74 × 46,087.24
  4. Step 4: Simplify right side
    77,908.10x = 4,955,334,149.36
  5. Step 5: Solve for x
    x = 4,955,334,149.36/77,908.10
  6. Step 6: Final answer
    x = 63,604.86

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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.