Home / 81,160.63-111,998.45-47,167.52

Finding the Fourth Proportional to 81,160.63, 111,998.45 and 47,167.52

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Solution

The fourth proportional to 81,160.63, 111,998.45 and 47,167.52 is: 65,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,160.63 : 111,998.45 = 47,167.52 : x
  2. Step 2: Convert to fraction form
    81,160.63/111,998.45 = 47,167.52/x
  3. Step 3: Cross multiply
    81,160.63x = 111,998.45 × 47,167.52
  4. Step 4: Simplify right side
    81,160.63x = 5,282,688,422.95
  5. Step 5: Solve for x
    x = 5,282,688,422.95/81,160.63
  6. Step 6: Final answer
    x = 65,089.30

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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.