Home / 78,023.44-107,675.09-44,040.16

Finding the Fourth Proportional to 78,023.44, 107,675.09 and 44,040.16

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Solution

The fourth proportional to 78,023.44, 107,675.09 and 44,040.16 is: 60,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,023.44 : 107,675.09 = 44,040.16 : x
  2. Step 2: Convert to fraction form
    78,023.44/107,675.09 = 44,040.16/x
  3. Step 3: Cross multiply
    78,023.44x = 107,675.09 × 44,040.16
  4. Step 4: Simplify right side
    78,023.44x = 4,742,028,191.61
  5. Step 5: Solve for x
    x = 4,742,028,191.61/78,023.44
  6. Step 6: Final answer
    x = 60,776.97

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1.5x scale

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.