Home / 99,924.52-149,782.62-40,735.72

Finding the Fourth Proportional to 99,924.52, 149,782.62 and 40,735.72

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Solution

The fourth proportional to 99,924.52, 149,782.62 and 40,735.72 is: 61,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,924.52 : 149,782.62 = 40,735.72 : x
  2. Step 2: Convert to fraction form
    99,924.52/149,782.62 = 40,735.72/x
  3. Step 3: Cross multiply
    99,924.52x = 149,782.62 × 40,735.72
  4. Step 4: Simplify right side
    99,924.52x = 6,101,502,869.19
  5. Step 5: Solve for x
    x = 6,101,502,869.19/99,924.52
  6. Step 6: Final answer
    x = 61,061.12

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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.