Home / 99,703.24-137,587.07-59,396.11

Finding the Fourth Proportional to 99,703.24, 137,587.07 and 59,396.11

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Solution

The fourth proportional to 99,703.24, 137,587.07 and 59,396.11 is: 81,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,703.24 : 137,587.07 = 59,396.11 : x
  2. Step 2: Convert to fraction form
    99,703.24/137,587.07 = 59,396.11/x
  3. Step 3: Cross multiply
    99,703.24x = 137,587.07 × 59,396.11
  4. Step 4: Simplify right side
    99,703.24x = 8,172,136,548.82
  5. Step 5: Solve for x
    x = 8,172,136,548.82/99,703.24
  6. Step 6: Final answer
    x = 81,964.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.