Home / 90,338.72-124,674.46-50,056.20

Finding the Fourth Proportional to 90,338.72, 124,674.46 and 50,056.20

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Solution

The fourth proportional to 90,338.72, 124,674.46 and 50,056.20 is: 69,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338.72 : 124,674.46 = 50,056.20 : x
  2. Step 2: Convert to fraction form
    90,338.72/124,674.46 = 50,056.20/x
  3. Step 3: Cross multiply
    90,338.72x = 124,674.46 × 50,056.20
  4. Step 4: Simplify right side
    90,338.72x = 6,240,729,579.51
  5. Step 5: Solve for x
    x = 6,240,729,579.51/90,338.72
  6. Step 6: Final answer
    x = 69,081.45

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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.