Home / 90,366.81-124,706.51-50,081.25

Finding the Fourth Proportional to 90,366.81, 124,706.51 and 50,081.25

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Solution

The fourth proportional to 90,366.81, 124,706.51 and 50,081.25 is: 69,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.81 : 124,706.51 = 50,081.25 : x
  2. Step 2: Convert to fraction form
    90,366.81/124,706.51 = 50,081.25/x
  3. Step 3: Cross multiply
    90,366.81x = 124,706.51 × 50,081.25
  4. Step 4: Simplify right side
    90,366.81x = 6,245,457,903.94
  5. Step 5: Solve for x
    x = 6,245,457,903.94/90,366.81
  6. Step 6: Final answer
    x = 69,112.30

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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.