Home / 109,712.70-164,536.44-46,531.92

Finding the Fourth Proportional to 109,712.70, 164,536.44 and 46,531.92

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Solution

The fourth proportional to 109,712.70, 164,536.44 and 46,531.92 is: 69,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,712.70 : 164,536.44 = 46,531.92 : x
  2. Step 2: Convert to fraction form
    109,712.70/164,536.44 = 46,531.92/x
  3. Step 3: Cross multiply
    109,712.70x = 164,536.44 × 46,531.92
  4. Step 4: Simplify right side
    109,712.70x = 7,656,196,463.16
  5. Step 5: Solve for x
    x = 7,656,196,463.16/109,712.70
  6. Step 6: Final answer
    x = 69,784.05

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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.