Home / 45,983.12-68,981.52-22,611.20

Finding the Fourth Proportional to 45,983.12, 68,981.52 and 22,611.20

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Solution

The fourth proportional to 45,983.12, 68,981.52 and 22,611.20 is: 33,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.12 : 68,981.52 = 22,611.20 : x
  2. Step 2: Convert to fraction form
    45,983.12/68,981.52 = 22,611.20/x
  3. Step 3: Cross multiply
    45,983.12x = 68,981.52 × 22,611.20
  4. Step 4: Simplify right side
    45,983.12x = 1,559,754,945.02
  5. Step 5: Solve for x
    x = 1,559,754,945.02/45,983.12
  6. Step 6: Final answer
    x = 33,920.16

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1.5x scale

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.