Home / 63,196.36-86,729.59-57,214.92

Finding the Fourth Proportional to 63,196.36, 86,729.59 and 57,214.92

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Solution

The fourth proportional to 63,196.36, 86,729.59 and 57,214.92 is: 78,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,196.36 : 86,729.59 = 57,214.92 : x
  2. Step 2: Convert to fraction form
    63,196.36/86,729.59 = 57,214.92/x
  3. Step 3: Cross multiply
    63,196.36x = 86,729.59 × 57,214.92
  4. Step 4: Simplify right side
    63,196.36x = 4,962,226,553.48
  5. Step 5: Solve for x
    x = 4,962,226,553.48/63,196.36
  6. Step 6: Final answer
    x = 78,520.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.