Home / 90,312.44-124,618.88-50,016.28

Finding the Fourth Proportional to 90,312.44, 124,618.88 and 50,016.28

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Solution

The fourth proportional to 90,312.44, 124,618.88 and 50,016.28 is: 69,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,312.44 : 124,618.88 = 50,016.28 : x
  2. Step 2: Convert to fraction form
    90,312.44/124,618.88 = 50,016.28/x
  3. Step 3: Cross multiply
    90,312.44x = 124,618.88 × 50,016.28
  4. Step 4: Simplify right side
    90,312.44x = 6,232,972,795.37
  5. Step 5: Solve for x
    x = 6,232,972,795.37/90,312.44
  6. Step 6: Final answer
    x = 69,015.66

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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.