Home / 99,445.16-149,031.38-52,604.48

Finding the Fourth Proportional to 99,445.16, 149,031.38 and 52,604.48

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Solution

The fourth proportional to 99,445.16, 149,031.38 and 52,604.48 is: 78,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445.16 : 149,031.38 = 52,604.48 : x
  2. Step 2: Convert to fraction form
    99,445.16/149,031.38 = 52,604.48/x
  3. Step 3: Cross multiply
    99,445.16x = 149,031.38 × 52,604.48
  4. Step 4: Simplify right side
    99,445.16x = 7,839,718,248.58
  5. Step 5: Solve for x
    x = 7,839,718,248.58/99,445.16
  6. Step 6: Final answer
    x = 78,834.59

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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.