Home / 97,159.34-134,076.35-54,136.61

Finding the Fourth Proportional to 97,159.34, 134,076.35 and 54,136.61

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Solution

The fourth proportional to 97,159.34, 134,076.35 and 54,136.61 is: 74,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,159.34 : 134,076.35 = 54,136.61 : x
  2. Step 2: Convert to fraction form
    97,159.34/134,076.35 = 54,136.61/x
  3. Step 3: Cross multiply
    97,159.34x = 134,076.35 × 54,136.61
  4. Step 4: Simplify right side
    97,159.34x = 7,258,438,399.79
  5. Step 5: Solve for x
    x = 7,258,438,399.79/97,159.34
  6. Step 6: Final answer
    x = 74,706.54

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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.