Home / 90,548.16-124,971.42-50,274.84

Finding the Fourth Proportional to 90,548.16, 124,971.42 and 50,274.84

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Solution

The fourth proportional to 90,548.16, 124,971.42 and 50,274.84 is: 69,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,548.16 : 124,971.42 = 50,274.84 : x
  2. Step 2: Convert to fraction form
    90,548.16/124,971.42 = 50,274.84/x
  3. Step 3: Cross multiply
    90,548.16x = 124,971.42 × 50,274.84
  4. Step 4: Simplify right side
    90,548.16x = 6,282,918,145.07
  5. Step 5: Solve for x
    x = 6,282,918,145.07/90,548.16
  6. Step 6: Final answer
    x = 69,387.58

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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.