Home / 88,186.31-121,656.90-52,355.96

Finding the Fourth Proportional to 88,186.31, 121,656.90 and 52,355.96

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Solution

The fourth proportional to 88,186.31, 121,656.90 and 52,355.96 is: 72,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.31 : 121,656.90 = 52,355.96 : x
  2. Step 2: Convert to fraction form
    88,186.31/121,656.90 = 52,355.96/x
  3. Step 3: Cross multiply
    88,186.31x = 121,656.90 × 52,355.96
  4. Step 4: Simplify right side
    88,186.31x = 6,369,463,790.12
  5. Step 5: Solve for x
    x = 6,369,463,790.12/88,186.31
  6. Step 6: Final answer
    x = 72,227.35

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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.