Home / 109,465.43-164,131.83-53,248.93

Finding the Fourth Proportional to 109,465.43, 164,131.83 and 53,248.93

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Solution

The fourth proportional to 109,465.43, 164,131.83 and 53,248.93 is: 79,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,465.43 : 164,131.83 = 53,248.93 : x
  2. Step 2: Convert to fraction form
    109,465.43/164,131.83 = 53,248.93/x
  3. Step 3: Cross multiply
    109,465.43x = 164,131.83 × 53,248.93
  4. Step 4: Simplify right side
    109,465.43x = 8,739,843,916.11
  5. Step 5: Solve for x
    x = 8,739,843,916.11/109,465.43
  6. Step 6: Final answer
    x = 79,841.14

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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.