Home / 109,085.20-163,587.27-37,989.58

Finding the Fourth Proportional to 109,085.20, 163,587.27 and 37,989.58

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Solution

The fourth proportional to 109,085.20, 163,587.27 and 37,989.58 is: 56,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,085.20 : 163,587.27 = 37,989.58 : x
  2. Step 2: Convert to fraction form
    109,085.20/163,587.27 = 37,989.58/x
  3. Step 3: Cross multiply
    109,085.20x = 163,587.27 × 37,989.58
  4. Step 4: Simplify right side
    109,085.20x = 6,214,611,680.65
  5. Step 5: Solve for x
    x = 6,214,611,680.65/109,085.20
  6. Step 6: Final answer
    x = 56,970.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.