Home / 99,006.46-136,573.77-58,681.42

Finding the Fourth Proportional to 99,006.46, 136,573.77 and 58,681.42

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Solution

The fourth proportional to 99,006.46, 136,573.77 and 58,681.42 is: 80,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.46 : 136,573.77 = 58,681.42 : x
  2. Step 2: Convert to fraction form
    99,006.46/136,573.77 = 58,681.42/x
  3. Step 3: Cross multiply
    99,006.46x = 136,573.77 × 58,681.42
  4. Step 4: Simplify right side
    99,006.46x = 8,014,342,758.35
  5. Step 5: Solve for x
    x = 8,014,342,758.35/99,006.46
  6. Step 6: Final answer
    x = 80,947.68

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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.