Home / 109,933.50-151,690.95-62,171.58

Finding the Fourth Proportional to 109,933.50, 151,690.95 and 62,171.58

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Solution

The fourth proportional to 109,933.50, 151,690.95 and 62,171.58 is: 85,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933.50 : 151,690.95 = 62,171.58 : x
  2. Step 2: Convert to fraction form
    109,933.50/151,690.95 = 62,171.58/x
  3. Step 3: Cross multiply
    109,933.50x = 151,690.95 × 62,171.58
  4. Step 4: Simplify right side
    109,933.50x = 9,430,866,033.20
  5. Step 5: Solve for x
    x = 9,430,866,033.20/109,933.50
  6. Step 6: Final answer
    x = 85,787.01

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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.