Home / 99,050.11-136,668.13-58,776.98

Finding the Fourth Proportional to 99,050.11, 136,668.13 and 58,776.98

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Solution

The fourth proportional to 99,050.11, 136,668.13 and 58,776.98 is: 81,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050.11 : 136,668.13 = 58,776.98 : x
  2. Step 2: Convert to fraction form
    99,050.11/136,668.13 = 58,776.98/x
  3. Step 3: Cross multiply
    99,050.11x = 136,668.13 × 58,776.98
  4. Step 4: Simplify right side
    99,050.11x = 8,032,939,113.36
  5. Step 5: Solve for x
    x = 8,032,939,113.36/99,050.11
  6. Step 6: Final answer
    x = 81,099.75

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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.