Home / 99,913.68-149,927.19-36,725.58

Finding the Fourth Proportional to 99,913.68, 149,927.19 and 36,725.58

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Solution

The fourth proportional to 99,913.68, 149,927.19 and 36,725.58 is: 55,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,913.68 : 149,927.19 = 36,725.58 : x
  2. Step 2: Convert to fraction form
    99,913.68/149,927.19 = 36,725.58/x
  3. Step 3: Cross multiply
    99,913.68x = 149,927.19 × 36,725.58
  4. Step 4: Simplify right side
    99,913.68x = 5,506,163,010.52
  5. Step 5: Solve for x
    x = 5,506,163,010.52/99,913.68
  6. Step 6: Final answer
    x = 55,109.20

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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.