Home / 88,110.72-121,589.54-47,823.62

Finding the Fourth Proportional to 88,110.72, 121,589.54 and 47,823.62

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Solution

The fourth proportional to 88,110.72, 121,589.54 and 47,823.62 is: 65,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.72 : 121,589.54 = 47,823.62 : x
  2. Step 2: Convert to fraction form
    88,110.72/121,589.54 = 47,823.62/x
  3. Step 3: Cross multiply
    88,110.72x = 121,589.54 × 47,823.62
  4. Step 4: Simplify right side
    88,110.72x = 5,814,851,109.87
  5. Step 5: Solve for x
    x = 5,814,851,109.87/88,110.72
  6. Step 6: Final answer
    x = 65,994.82

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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.