Home / 91,024.11-136,598.09-55,856.43

Finding the Fourth Proportional to 91,024.11, 136,598.09 and 55,856.43

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Solution

The fourth proportional to 91,024.11, 136,598.09 and 55,856.43 is: 83,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,024.11 : 136,598.09 = 55,856.43 : x
  2. Step 2: Convert to fraction form
    91,024.11/136,598.09 = 55,856.43/x
  3. Step 3: Cross multiply
    91,024.11x = 136,598.09 × 55,856.43
  4. Step 4: Simplify right side
    91,024.11x = 7,629,881,372.94
  5. Step 5: Solve for x
    x = 7,629,881,372.94/91,024.11
  6. Step 6: Final answer
    x = 83,822.64

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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.