Home / 70,708.41-97,577.98-38,879.36

Finding the Fourth Proportional to 70,708.41, 97,577.98 and 38,879.36

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Solution

The fourth proportional to 70,708.41, 97,577.98 and 38,879.36 is: 53,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,708.41 : 97,577.98 = 38,879.36 : x
  2. Step 2: Convert to fraction form
    70,708.41/97,577.98 = 38,879.36/x
  3. Step 3: Cross multiply
    70,708.41x = 97,577.98 × 38,879.36
  4. Step 4: Simplify right side
    70,708.41x = 3,793,769,559.24
  5. Step 5: Solve for x
    x = 3,793,769,559.24/70,708.41
  6. Step 6: Final answer
    x = 53,653.72

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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.