Home / 109,931.04-164,785.77-43,345.44

Finding the Fourth Proportional to 109,931.04, 164,785.77 and 43,345.44

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Solution

The fourth proportional to 109,931.04, 164,785.77 and 43,345.44 is: 64,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,931.04 : 164,785.77 = 43,345.44 : x
  2. Step 2: Convert to fraction form
    109,931.04/164,785.77 = 43,345.44/x
  3. Step 3: Cross multiply
    109,931.04x = 164,785.77 × 43,345.44
  4. Step 4: Simplify right side
    109,931.04x = 7,142,711,706.39
  5. Step 5: Solve for x
    x = 7,142,711,706.39/109,931.04
  6. Step 6: Final answer
    x = 64,974.48

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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.