Home / 117,639.52-162,296.40-67,311.52

Finding the Fourth Proportional to 117,639.52, 162,296.40 and 67,311.52

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Solution

The fourth proportional to 117,639.52, 162,296.40 and 67,311.52 is: 92,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,639.52 : 162,296.40 = 67,311.52 : x
  2. Step 2: Convert to fraction form
    117,639.52/162,296.40 = 67,311.52/x
  3. Step 3: Cross multiply
    117,639.52x = 162,296.40 × 67,311.52
  4. Step 4: Simplify right side
    117,639.52x = 10,924,417,374.53
  5. Step 5: Solve for x
    x = 10,924,417,374.53/117,639.52
  6. Step 6: Final answer
    x = 92,863.50

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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.