Home / 82,717.92-114,214.80-63,567.36

Finding the Fourth Proportional to 82,717.92, 114,214.80 and 63,567.36

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Solution

The fourth proportional to 82,717.92, 114,214.80 and 63,567.36 is: 87,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717.92 : 114,214.80 = 63,567.36 : x
  2. Step 2: Convert to fraction form
    82,717.92/114,214.80 = 63,567.36/x
  3. Step 3: Cross multiply
    82,717.92x = 114,214.80 × 63,567.36
  4. Step 4: Simplify right side
    82,717.92x = 7,260,333,308.93
  5. Step 5: Solve for x
    x = 7,260,333,308.93/82,717.92
  6. Step 6: Final answer
    x = 87,772.19

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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.