Home / 55,907.29-83,875.52-20,847.25

Finding the Fourth Proportional to 55,907.29, 83,875.52 and 20,847.25

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Solution

The fourth proportional to 55,907.29, 83,875.52 and 20,847.25 is: 31,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,907.29 : 83,875.52 = 20,847.25 : x
  2. Step 2: Convert to fraction form
    55,907.29/83,875.52 = 20,847.25/x
  3. Step 3: Cross multiply
    55,907.29x = 83,875.52 × 20,847.25
  4. Step 4: Simplify right side
    55,907.29x = 1,748,573,934.32
  5. Step 5: Solve for x
    x = 1,748,573,934.32/55,907.29
  6. Step 6: Final answer
    x = 31,276.31

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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.