Home / 109,981.44-164,972.16-39,837.60

Finding the Fourth Proportional to 109,981.44, 164,972.16 and 39,837.60

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Solution

The fourth proportional to 109,981.44, 164,972.16 and 39,837.60 is: 59,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981.44 : 164,972.16 = 39,837.60 : x
  2. Step 2: Convert to fraction form
    109,981.44/164,972.16 = 39,837.60/x
  3. Step 3: Cross multiply
    109,981.44x = 164,972.16 × 39,837.60
  4. Step 4: Simplify right side
    109,981.44x = 6,572,094,921.22
  5. Step 5: Solve for x
    x = 6,572,094,921.22/109,981.44
  6. Step 6: Final answer
    x = 59,756.40

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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.