Home / 55,397.51-83,096.40-22,120.28

Finding the Fourth Proportional to 55,397.51, 83,096.40 and 22,120.28

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Solution

The fourth proportional to 55,397.51, 83,096.40 and 22,120.28 is: 33,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.51 : 83,096.40 = 22,120.28 : x
  2. Step 2: Convert to fraction form
    55,397.51/83,096.40 = 22,120.28/x
  3. Step 3: Cross multiply
    55,397.51x = 83,096.40 × 22,120.28
  4. Step 4: Simplify right side
    55,397.51x = 1,838,115,634.99
  5. Step 5: Solve for x
    x = 1,838,115,634.99/55,397.51
  6. Step 6: Final answer
    x = 33,180.47

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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.