Home / 45,784.12-68,691.75-28,897.49

Finding the Fourth Proportional to 45,784.12, 68,691.75 and 28,897.49

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Solution

The fourth proportional to 45,784.12, 68,691.75 and 28,897.49 is: 43,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,784.12 : 68,691.75 = 28,897.49 : x
  2. Step 2: Convert to fraction form
    45,784.12/68,691.75 = 28,897.49/x
  3. Step 3: Cross multiply
    45,784.12x = 68,691.75 × 28,897.49
  4. Step 4: Simplify right side
    45,784.12x = 1,985,019,014.22
  5. Step 5: Solve for x
    x = 1,985,019,014.22/45,784.12
  6. Step 6: Final answer
    x = 43,356.06

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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.