Home / 88,352.82-121,758.93-63,158.58

Finding the Fourth Proportional to 88,352.82, 121,758.93 and 63,158.58

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Solution

The fourth proportional to 88,352.82, 121,758.93 and 63,158.58 is: 87,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,352.82 : 121,758.93 = 63,158.58 : x
  2. Step 2: Convert to fraction form
    88,352.82/121,758.93 = 63,158.58/x
  3. Step 3: Cross multiply
    88,352.82x = 121,758.93 × 63,158.58
  4. Step 4: Simplify right side
    88,352.82x = 7,690,121,121.12
  5. Step 5: Solve for x
    x = 7,690,121,121.12/88,352.82
  6. Step 6: Final answer
    x = 87,038.77

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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.