Home / 88,620.21-132,885.90-29,435.13

Finding the Fourth Proportional to 88,620.21, 132,885.90 and 29,435.13

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Solution

The fourth proportional to 88,620.21, 132,885.90 and 29,435.13 is: 44,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.21 : 132,885.90 = 29,435.13 : x
  2. Step 2: Convert to fraction form
    88,620.21/132,885.90 = 29,435.13/x
  3. Step 3: Cross multiply
    88,620.21x = 132,885.90 × 29,435.13
  4. Step 4: Simplify right side
    88,620.21x = 3,911,513,741.67
  5. Step 5: Solve for x
    x = 3,911,513,741.67/88,620.21
  6. Step 6: Final answer
    x = 44,137.94

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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.