Home / 66,536.28-91,587-58,023.39

Finding the Fourth Proportional to 66,536.28, 91,587 and 58,023.39

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Solution

The fourth proportional to 66,536.28, 91,587 and 58,023.39 is: 79,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536.28 : 91,587 = 58,023.39 : x
  2. Step 2: Convert to fraction form
    66,536.28/91,587 = 58,023.39/x
  3. Step 3: Cross multiply
    66,536.28x = 91,587 × 58,023.39
  4. Step 4: Simplify right side
    66,536.28x = 5,314,188,219.93
  5. Step 5: Solve for x
    x = 5,314,188,219.93/66,536.28
  6. Step 6: Final answer
    x = 79,869.03

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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.