Home / 109,977.51-164,979.76-38,885.43

Finding the Fourth Proportional to 109,977.51, 164,979.76 and 38,885.43

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Solution

The fourth proportional to 109,977.51, 164,979.76 and 38,885.43 is: 58,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,977.51 : 164,979.76 = 38,885.43 : x
  2. Step 2: Convert to fraction form
    109,977.51/164,979.76 = 38,885.43/x
  3. Step 3: Cross multiply
    109,977.51x = 164,979.76 × 38,885.43
  4. Step 4: Simplify right side
    109,977.51x = 6,415,308,916.62
  5. Step 5: Solve for x
    x = 6,415,308,916.62/109,977.51
  6. Step 6: Final answer
    x = 58,332.92

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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.