Home / 99,302.80-149,003.52-61,853.36

Finding the Fourth Proportional to 99,302.80, 149,003.52 and 61,853.36

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Solution

The fourth proportional to 99,302.80, 149,003.52 and 61,853.36 is: 92,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.80 : 149,003.52 = 61,853.36 : x
  2. Step 2: Convert to fraction form
    99,302.80/149,003.52 = 61,853.36/x
  3. Step 3: Cross multiply
    99,302.80x = 149,003.52 × 61,853.36
  4. Step 4: Simplify right side
    99,302.80x = 9,216,368,363.83
  5. Step 5: Solve for x
    x = 9,216,368,363.83/99,302.80
  6. Step 6: Final answer
    x = 92,810.76

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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.