Home / 66,171.47-91,327.52-48,325.55

Finding the Fourth Proportional to 66,171.47, 91,327.52 and 48,325.55

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Solution

The fourth proportional to 66,171.47, 91,327.52 and 48,325.55 is: 66,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,171.47 : 91,327.52 = 48,325.55 : x
  2. Step 2: Convert to fraction form
    66,171.47/91,327.52 = 48,325.55/x
  3. Step 3: Cross multiply
    66,171.47x = 91,327.52 × 48,325.55
  4. Step 4: Simplify right side
    66,171.47x = 4,413,452,634.14
  5. Step 5: Solve for x
    x = 4,413,452,634.14/66,171.47
  6. Step 6: Final answer
    x = 66,697.21

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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.