Home / 99,141.94-136,712.36-58,847.95

Finding the Fourth Proportional to 99,141.94, 136,712.36 and 58,847.95

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Solution

The fourth proportional to 99,141.94, 136,712.36 and 58,847.95 is: 81,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,141.94 : 136,712.36 = 58,847.95 : x
  2. Step 2: Convert to fraction form
    99,141.94/136,712.36 = 58,847.95/x
  3. Step 3: Cross multiply
    99,141.94x = 136,712.36 × 58,847.95
  4. Step 4: Simplify right side
    99,141.94x = 8,045,241,147.86
  5. Step 5: Solve for x
    x = 8,045,241,147.86/99,141.94
  6. Step 6: Final answer
    x = 81,148.72

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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.