Home / 99,643.56-149,473.92-28,566.48

Finding the Fourth Proportional to 99,643.56, 149,473.92 and 28,566.48

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Solution

The fourth proportional to 99,643.56, 149,473.92 and 28,566.48 is: 42,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,643.56 : 149,473.92 = 28,566.48 : x
  2. Step 2: Convert to fraction form
    99,643.56/149,473.92 = 28,566.48/x
  3. Step 3: Cross multiply
    99,643.56x = 149,473.92 × 28,566.48
  4. Step 4: Simplify right side
    99,643.56x = 4,269,943,746.20
  5. Step 5: Solve for x
    x = 4,269,943,746.20/99,643.56
  6. Step 6: Final answer
    x = 42,852.18

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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.