Home / 99,257.83-136,960.36-58,970.57

Finding the Fourth Proportional to 99,257.83, 136,960.36 and 58,970.57

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Solution

The fourth proportional to 99,257.83, 136,960.36 and 58,970.57 is: 81,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.83 : 136,960.36 = 58,970.57 : x
  2. Step 2: Convert to fraction form
    99,257.83/136,960.36 = 58,970.57/x
  3. Step 3: Cross multiply
    99,257.83x = 136,960.36 × 58,970.57
  4. Step 4: Simplify right side
    99,257.83x = 8,076,629,664.38
  5. Step 5: Solve for x
    x = 8,076,629,664.38/99,257.83
  6. Step 6: Final answer
    x = 81,370.20

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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.