Home / 99,910.08-149,852.16-47,352.96

Finding the Fourth Proportional to 99,910.08, 149,852.16 and 47,352.96

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Solution

The fourth proportional to 99,910.08, 149,852.16 and 47,352.96 is: 71,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910.08 : 149,852.16 = 47,352.96 : x
  2. Step 2: Convert to fraction form
    99,910.08/149,852.16 = 47,352.96/x
  3. Step 3: Cross multiply
    99,910.08x = 149,852.16 × 47,352.96
  4. Step 4: Simplify right side
    99,910.08x = 7,095,943,338.39
  5. Step 5: Solve for x
    x = 7,095,943,338.39/99,910.08
  6. Step 6: Final answer
    x = 71,023.30

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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.