Home / 60,850.40-91,274.88-21,407.36

Finding the Fourth Proportional to 60,850.40, 91,274.88 and 21,407.36

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Solution

The fourth proportional to 60,850.40, 91,274.88 and 21,407.36 is: 32,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,850.40 : 91,274.88 = 21,407.36 : x
  2. Step 2: Convert to fraction form
    60,850.40/91,274.88 = 21,407.36/x
  3. Step 3: Cross multiply
    60,850.40x = 91,274.88 × 21,407.36
  4. Step 4: Simplify right side
    60,850.40x = 1,953,954,215.12
  5. Step 5: Solve for x
    x = 1,953,954,215.12/60,850.40
  6. Step 6: Final answer
    x = 32,110.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.