Home / 109,085.04-163,611.18-38,018.52

Finding the Fourth Proportional to 109,085.04, 163,611.18 and 38,018.52

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Solution

The fourth proportional to 109,085.04, 163,611.18 and 38,018.52 is: 57,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,085.04 : 163,611.18 = 38,018.52 : x
  2. Step 2: Convert to fraction form
    109,085.04/163,611.18 = 38,018.52/x
  3. Step 3: Cross multiply
    109,085.04x = 163,611.18 × 38,018.52
  4. Step 4: Simplify right side
    109,085.04x = 6,220,254,919.05
  5. Step 5: Solve for x
    x = 6,220,254,919.05/109,085.04
  6. Step 6: Final answer
    x = 57,022.07

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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.