Home / 109,838.20-164,538.60-63,036.40

Finding the Fourth Proportional to 109,838.20, 164,538.60 and 63,036.40

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Solution

The fourth proportional to 109,838.20, 164,538.60 and 63,036.40 is: 94,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.20 : 164,538.60 = 63,036.40 : x
  2. Step 2: Convert to fraction form
    109,838.20/164,538.60 = 63,036.40/x
  3. Step 3: Cross multiply
    109,838.20x = 164,538.60 × 63,036.40
  4. Step 4: Simplify right side
    109,838.20x = 10,371,921,005.04
  5. Step 5: Solve for x
    x = 10,371,921,005.04/109,838.20
  6. Step 6: Final answer
    x = 94,429.09

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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.