Home / 90,963.10-125,525.75-50,674.76

Finding the Fourth Proportional to 90,963.10, 125,525.75 and 50,674.76

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Solution

The fourth proportional to 90,963.10, 125,525.75 and 50,674.76 is: 69,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,963.10 : 125,525.75 = 50,674.76 : x
  2. Step 2: Convert to fraction form
    90,963.10/125,525.75 = 50,674.76/x
  3. Step 3: Cross multiply
    90,963.10x = 125,525.75 × 50,674.76
  4. Step 4: Simplify right side
    90,963.10x = 6,360,987,835.92
  5. Step 5: Solve for x
    x = 6,360,987,835.92/90,963.10
  6. Step 6: Final answer
    x = 69,929.32

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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.