Home / 97,160.73-134,077.05-54,120.57

Finding the Fourth Proportional to 97,160.73, 134,077.05 and 54,120.57

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Solution

The fourth proportional to 97,160.73, 134,077.05 and 54,120.57 is: 74,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,160.73 : 134,077.05 = 54,120.57 : x
  2. Step 2: Convert to fraction form
    97,160.73/134,077.05 = 54,120.57/x
  3. Step 3: Cross multiply
    97,160.73x = 134,077.05 × 54,120.57
  4. Step 4: Simplify right side
    97,160.73x = 7,256,326,369.92
  5. Step 5: Solve for x
    x = 7,256,326,369.92/97,160.73
  6. Step 6: Final answer
    x = 74,683.74

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1.5x scale

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.