Home / 97,103.66-134,005.53-54,663.68

Finding the Fourth Proportional to 97,103.66, 134,005.53 and 54,663.68

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Solution

The fourth proportional to 97,103.66, 134,005.53 and 54,663.68 is: 75,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,103.66 : 134,005.53 = 54,663.68 : x
  2. Step 2: Convert to fraction form
    97,103.66/134,005.53 = 54,663.68/x
  3. Step 3: Cross multiply
    97,103.66x = 134,005.53 × 54,663.68
  4. Step 4: Simplify right side
    97,103.66x = 7,325,235,410.15
  5. Step 5: Solve for x
    x = 7,325,235,410.15/97,103.66
  6. Step 6: Final answer
    x = 75,437.27

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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.