Home / 109,897.52-164,725.16-71,901.14

Finding the Fourth Proportional to 109,897.52, 164,725.16 and 71,901.14

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Solution

The fourth proportional to 109,897.52, 164,725.16 and 71,901.14 is: 107,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,897.52 : 164,725.16 = 71,901.14 : x
  2. Step 2: Convert to fraction form
    109,897.52/164,725.16 = 71,901.14/x
  3. Step 3: Cross multiply
    109,897.52x = 164,725.16 × 71,901.14
  4. Step 4: Simplify right side
    109,897.52x = 11,843,925,607.55
  5. Step 5: Solve for x
    x = 11,843,925,607.55/109,897.52
  6. Step 6: Final answer
    x = 107,772.46

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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.