Home / 47,778.86-65,929.10-26,265.06

Finding the Fourth Proportional to 47,778.86, 65,929.10 and 26,265.06

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Solution

The fourth proportional to 47,778.86, 65,929.10 and 26,265.06 is: 36,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.86 : 65,929.10 = 26,265.06 : x
  2. Step 2: Convert to fraction form
    47,778.86/65,929.10 = 26,265.06/x
  3. Step 3: Cross multiply
    47,778.86x = 65,929.10 × 26,265.06
  4. Step 4: Simplify right side
    47,778.86x = 1,731,631,820.60
  5. Step 5: Solve for x
    x = 1,731,631,820.60/47,778.86
  6. Step 6: Final answer
    x = 36,242.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.