Home / 88,372.26-121,969.53-56,540.07

Finding the Fourth Proportional to 88,372.26, 121,969.53 and 56,540.07

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Solution

The fourth proportional to 88,372.26, 121,969.53 and 56,540.07 is: 78,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,372.26 : 121,969.53 = 56,540.07 : x
  2. Step 2: Convert to fraction form
    88,372.26/121,969.53 = 56,540.07/x
  3. Step 3: Cross multiply
    88,372.26x = 121,969.53 × 56,540.07
  4. Step 4: Simplify right side
    88,372.26x = 6,896,165,764.07
  5. Step 5: Solve for x
    x = 6,896,165,764.07/88,372.26
  6. Step 6: Final answer
    x = 78,035.41

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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.