Home / 99,677.16-149,509.26-52,956.36

Finding the Fourth Proportional to 99,677.16, 149,509.26 and 52,956.36

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Solution

The fourth proportional to 99,677.16, 149,509.26 and 52,956.36 is: 79,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,677.16 : 149,509.26 = 52,956.36 : x
  2. Step 2: Convert to fraction form
    99,677.16/149,509.26 = 52,956.36/x
  3. Step 3: Cross multiply
    99,677.16x = 149,509.26 × 52,956.36
  4. Step 4: Simplify right side
    99,677.16x = 7,917,466,195.89
  5. Step 5: Solve for x
    x = 7,917,466,195.89/99,677.16
  6. Step 6: Final answer
    x = 79,431.10

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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.