Home / 99,257.75-136,960.29-58,970.49

Finding the Fourth Proportional to 99,257.75, 136,960.29 and 58,970.49

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Solution

The fourth proportional to 99,257.75, 136,960.29 and 58,970.49 is: 81,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.75 : 136,960.29 = 58,970.49 : x
  2. Step 2: Convert to fraction form
    99,257.75/136,960.29 = 58,970.49/x
  3. Step 3: Cross multiply
    99,257.75x = 136,960.29 × 58,970.49
  4. Step 4: Simplify right side
    99,257.75x = 8,076,615,411.84
  5. Step 5: Solve for x
    x = 8,076,615,411.84/99,257.75
  6. Step 6: Final answer
    x = 81,370.13

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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.