Home / 91,098.99-125,713.08-52,856.64

Finding the Fourth Proportional to 91,098.99, 125,713.08 and 52,856.64

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Solution

The fourth proportional to 91,098.99, 125,713.08 and 52,856.64 is: 72,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.99 : 125,713.08 = 52,856.64 : x
  2. Step 2: Convert to fraction form
    91,098.99/125,713.08 = 52,856.64/x
  3. Step 3: Cross multiply
    91,098.99x = 125,713.08 × 52,856.64
  4. Step 4: Simplify right side
    91,098.99x = 6,644,771,012.85
  5. Step 5: Solve for x
    x = 6,644,771,012.85/91,098.99
  6. Step 6: Final answer
    x = 72,940.12

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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.