Home / 99,214.79-136,909.34-56,181.92

Finding the Fourth Proportional to 99,214.79, 136,909.34 and 56,181.92

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Solution

The fourth proportional to 99,214.79, 136,909.34 and 56,181.92 is: 77,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,214.79 : 136,909.34 = 56,181.92 : x
  2. Step 2: Convert to fraction form
    99,214.79/136,909.34 = 56,181.92/x
  3. Step 3: Cross multiply
    99,214.79x = 136,909.34 × 56,181.92
  4. Step 4: Simplify right side
    99,214.79x = 7,691,829,788.95
  5. Step 5: Solve for x
    x = 7,691,829,788.95/99,214.79
  6. Step 6: Final answer
    x = 77,527.05

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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.