Home / 47,115.71-65,023.40-26,978.93

Finding the Fourth Proportional to 47,115.71, 65,023.40 and 26,978.93

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Solution

The fourth proportional to 47,115.71, 65,023.40 and 26,978.93 is: 37,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.71 : 65,023.40 = 26,978.93 : x
  2. Step 2: Convert to fraction form
    47,115.71/65,023.40 = 26,978.93/x
  3. Step 3: Cross multiply
    47,115.71x = 65,023.40 × 26,978.93
  4. Step 4: Simplify right side
    47,115.71x = 1,754,261,756.96
  5. Step 5: Solve for x
    x = 1,754,261,756.96/47,115.71
  6. Step 6: Final answer
    x = 37,233.05

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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.