Home / 97,609.59-134,703.77-55,170.81

Finding the Fourth Proportional to 97,609.59, 134,703.77 and 55,170.81

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Solution

The fourth proportional to 97,609.59, 134,703.77 and 55,170.81 is: 76,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,609.59 : 134,703.77 = 55,170.81 : x
  2. Step 2: Convert to fraction form
    97,609.59/134,703.77 = 55,170.81/x
  3. Step 3: Cross multiply
    97,609.59x = 134,703.77 × 55,170.81
  4. Step 4: Simplify right side
    97,609.59x = 7,431,715,825.10
  5. Step 5: Solve for x
    x = 7,431,715,825.10/97,609.59
  6. Step 6: Final answer
    x = 76,137.15

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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.