Home / 90,602.39-125,035.45-50,316.33

Finding the Fourth Proportional to 90,602.39, 125,035.45 and 50,316.33

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Solution

The fourth proportional to 90,602.39, 125,035.45 and 50,316.33 is: 69,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,602.39 : 125,035.45 = 50,316.33 : x
  2. Step 2: Convert to fraction form
    90,602.39/125,035.45 = 50,316.33/x
  3. Step 3: Cross multiply
    90,602.39x = 125,035.45 × 50,316.33
  4. Step 4: Simplify right side
    90,602.39x = 6,291,324,963.90
  5. Step 5: Solve for x
    x = 6,291,324,963.90/90,602.39
  6. Step 6: Final answer
    x = 69,438.84

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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.