Home / 91,014.56-125,606.40-55,206.08

Finding the Fourth Proportional to 91,014.56, 125,606.40 and 55,206.08

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Solution

The fourth proportional to 91,014.56, 125,606.40 and 55,206.08 is: 76,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014.56 : 125,606.40 = 55,206.08 : x
  2. Step 2: Convert to fraction form
    91,014.56/125,606.40 = 55,206.08/x
  3. Step 3: Cross multiply
    91,014.56x = 125,606.40 × 55,206.08
  4. Step 4: Simplify right side
    91,014.56x = 6,934,236,966.91
  5. Step 5: Solve for x
    x = 6,934,236,966.91/91,014.56
  6. Step 6: Final answer
    x = 76,188.22

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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.