Home / 99,763.20-149,560.52-46,427.66

Finding the Fourth Proportional to 99,763.20, 149,560.52 and 46,427.66

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Solution

The fourth proportional to 99,763.20, 149,560.52 and 46,427.66 is: 69,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,763.20 : 149,560.52 = 46,427.66 : x
  2. Step 2: Convert to fraction form
    99,763.20/149,560.52 = 46,427.66/x
  3. Step 3: Cross multiply
    99,763.20x = 149,560.52 × 46,427.66
  4. Step 4: Simplify right side
    99,763.20x = 6,943,744,971.98
  5. Step 5: Solve for x
    x = 6,943,744,971.98/99,763.20
  6. Step 6: Final answer
    x = 69,602.27

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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.