Home / 93,923.82-129,610.80-56,218.86

Finding the Fourth Proportional to 93,923.82, 129,610.80 and 56,218.86

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Solution

The fourth proportional to 93,923.82, 129,610.80 and 56,218.86 is: 77,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,923.82 : 129,610.80 = 56,218.86 : x
  2. Step 2: Convert to fraction form
    93,923.82/129,610.80 = 56,218.86/x
  3. Step 3: Cross multiply
    93,923.82x = 129,610.80 × 56,218.86
  4. Step 4: Simplify right side
    93,923.82x = 7,286,571,419.69
  5. Step 5: Solve for x
    x = 7,286,571,419.69/93,923.82
  6. Step 6: Final answer
    x = 77,579.59

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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.