Home / 90,365.81-124,705.13-50,080.25

Finding the Fourth Proportional to 90,365.81, 124,705.13 and 50,080.25

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Solution

The fourth proportional to 90,365.81, 124,705.13 and 50,080.25 is: 69,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,365.81 : 124,705.13 = 50,080.25 : x
  2. Step 2: Convert to fraction form
    90,365.81/124,705.13 = 50,080.25/x
  3. Step 3: Cross multiply
    90,365.81x = 124,705.13 × 50,080.25
  4. Step 4: Simplify right side
    90,365.81x = 6,245,263,212.76
  5. Step 5: Solve for x
    x = 6,245,263,212.76/90,365.81
  6. Step 6: Final answer
    x = 69,110.91

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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.