Home / 56,084.90-84,109.14-18,634.91

Finding the Fourth Proportional to 56,084.90, 84,109.14 and 18,634.91

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Solution

The fourth proportional to 56,084.90, 84,109.14 and 18,634.91 is: 27,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,084.90 : 84,109.14 = 18,634.91 : x
  2. Step 2: Convert to fraction form
    56,084.90/84,109.14 = 18,634.91/x
  3. Step 3: Cross multiply
    56,084.90x = 84,109.14 × 18,634.91
  4. Step 4: Simplify right side
    56,084.90x = 1,567,366,510.94
  5. Step 5: Solve for x
    x = 1,567,366,510.94/56,084.90
  6. Step 6: Final answer
    x = 27,946.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.