Home / 121,983.30-182,907.54-37,720.26

Finding the Fourth Proportional to 121,983.30, 182,907.54 and 37,720.26

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Solution

The fourth proportional to 121,983.30, 182,907.54 and 37,720.26 is: 56,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,983.30 : 182,907.54 = 37,720.26 : x
  2. Step 2: Convert to fraction form
    121,983.30/182,907.54 = 37,720.26/x
  3. Step 3: Cross multiply
    121,983.30x = 182,907.54 × 37,720.26
  4. Step 4: Simplify right side
    121,983.30x = 6,899,319,964.76
  5. Step 5: Solve for x
    x = 6,899,319,964.76/121,983.30
  6. Step 6: Final answer
    x = 56,559.55

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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.