Home / 88,961.31-133,409.61-29,782.92

Finding the Fourth Proportional to 88,961.31, 133,409.61 and 29,782.92

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Solution

The fourth proportional to 88,961.31, 133,409.61 and 29,782.92 is: 44,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,961.31 : 133,409.61 = 29,782.92 : x
  2. Step 2: Convert to fraction form
    88,961.31/133,409.61 = 29,782.92/x
  3. Step 3: Cross multiply
    88,961.31x = 133,409.61 × 29,782.92
  4. Step 4: Simplify right side
    88,961.31x = 3,973,327,741.86
  5. Step 5: Solve for x
    x = 3,973,327,741.86/88,961.31
  6. Step 6: Final answer
    x = 44,663.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.