Home / 88,257.87-132,385.66-21,698.58

Finding the Fourth Proportional to 88,257.87, 132,385.66 and 21,698.58

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Solution

The fourth proportional to 88,257.87, 132,385.66 and 21,698.58 is: 32,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.87 : 132,385.66 = 21,698.58 : x
  2. Step 2: Convert to fraction form
    88,257.87/132,385.66 = 21,698.58/x
  3. Step 3: Cross multiply
    88,257.87x = 132,385.66 × 21,698.58
  4. Step 4: Simplify right side
    88,257.87x = 2,872,581,276.56
  5. Step 5: Solve for x
    x = 2,872,581,276.56/88,257.87
  6. Step 6: Final answer
    x = 32,547.59

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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.