Home / 99,905.19-149,854.33-25,025.98

Finding the Fourth Proportional to 99,905.19, 149,854.33 and 25,025.98

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Solution

The fourth proportional to 99,905.19, 149,854.33 and 25,025.98 is: 37,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,905.19 : 149,854.33 = 25,025.98 : x
  2. Step 2: Convert to fraction form
    99,905.19/149,854.33 = 25,025.98/x
  3. Step 3: Cross multiply
    99,905.19x = 149,854.33 × 25,025.98
  4. Step 4: Simplify right side
    99,905.19x = 3,750,251,465.49
  5. Step 5: Solve for x
    x = 3,750,251,465.49/99,905.19
  6. Step 6: Final answer
    x = 37,538.10

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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.