Home / 99,441.91-149,026.51-52,601.23

Finding the Fourth Proportional to 99,441.91, 149,026.51 and 52,601.23

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Solution

The fourth proportional to 99,441.91, 149,026.51 and 52,601.23 is: 78,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,441.91 : 149,026.51 = 52,601.23 : x
  2. Step 2: Convert to fraction form
    99,441.91/149,026.51 = 52,601.23/x
  3. Step 3: Cross multiply
    99,441.91x = 149,026.51 × 52,601.23
  4. Step 4: Simplify right side
    99,441.91x = 7,838,977,728.61
  5. Step 5: Solve for x
    x = 7,838,977,728.61/99,441.91
  6. Step 6: Final answer
    x = 78,829.72

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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.