Home / 90,574.31-124,996.46-50,288.08

Finding the Fourth Proportional to 90,574.31, 124,996.46 and 50,288.08

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Solution

The fourth proportional to 90,574.31, 124,996.46 and 50,288.08 is: 69,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574.31 : 124,996.46 = 50,288.08 : x
  2. Step 2: Convert to fraction form
    90,574.31/124,996.46 = 50,288.08/x
  3. Step 3: Cross multiply
    90,574.31x = 124,996.46 × 50,288.08
  4. Step 4: Simplify right side
    90,574.31x = 6,285,831,650.63
  5. Step 5: Solve for x
    x = 6,285,831,650.63/90,574.31
  6. Step 6: Final answer
    x = 69,399.72

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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.