Home / 90,539.21-124,950.39-52,311.66

Finding the Fourth Proportional to 90,539.21, 124,950.39 and 52,311.66

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Solution

The fourth proportional to 90,539.21, 124,950.39 and 52,311.66 is: 72,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,539.21 : 124,950.39 = 52,311.66 : x
  2. Step 2: Convert to fraction form
    90,539.21/124,950.39 = 52,311.66/x
  3. Step 3: Cross multiply
    90,539.21x = 124,950.39 × 52,311.66
  4. Step 4: Simplify right side
    90,539.21x = 6,536,362,318.55
  5. Step 5: Solve for x
    x = 6,536,362,318.55/90,539.21
  6. Step 6: Final answer
    x = 72,193.72

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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.