Home / 55,672.40-83,435.70-22,365.20

Finding the Fourth Proportional to 55,672.40, 83,435.70 and 22,365.20

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Solution

The fourth proportional to 55,672.40, 83,435.70 and 22,365.20 is: 33,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.40 : 83,435.70 = 22,365.20 : x
  2. Step 2: Convert to fraction form
    55,672.40/83,435.70 = 22,365.20/x
  3. Step 3: Cross multiply
    55,672.40x = 83,435.70 × 22,365.20
  4. Step 4: Simplify right side
    55,672.40x = 1,866,056,117.64
  5. Step 5: Solve for x
    x = 1,866,056,117.64/55,672.40
  6. Step 6: Final answer
    x = 33,518.51

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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.