Home / 91,606.34-126,415.22-51,319.98

Finding the Fourth Proportional to 91,606.34, 126,415.22 and 51,319.98

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Solution

The fourth proportional to 91,606.34, 126,415.22 and 51,319.98 is: 70,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,606.34 : 126,415.22 = 51,319.98 : x
  2. Step 2: Convert to fraction form
    91,606.34/126,415.22 = 51,319.98/x
  3. Step 3: Cross multiply
    91,606.34x = 126,415.22 × 51,319.98
  4. Step 4: Simplify right side
    91,606.34x = 6,487,626,562.10
  5. Step 5: Solve for x
    x = 6,487,626,562.10/91,606.34
  6. Step 6: Final answer
    x = 70,820.72

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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.