Home / 97,187.41-134,129.55-54,170.83

Finding the Fourth Proportional to 97,187.41, 134,129.55 and 54,170.83

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Solution

The fourth proportional to 97,187.41, 134,129.55 and 54,170.83 is: 74,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,187.41 : 134,129.55 = 54,170.83 : x
  2. Step 2: Convert to fraction form
    97,187.41/134,129.55 = 54,170.83/x
  3. Step 3: Cross multiply
    97,187.41x = 134,129.55 × 54,170.83
  4. Step 4: Simplify right side
    97,187.41x = 7,265,909,059.07
  5. Step 5: Solve for x
    x = 7,265,909,059.07/97,187.41
  6. Step 6: Final answer
    x = 74,761.83

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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.