Home / 113,567.85-156,723.63-65,848.86

Finding the Fourth Proportional to 113,567.85, 156,723.63 and 65,848.86

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Solution

The fourth proportional to 113,567.85, 156,723.63 and 65,848.86 is: 90,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,567.85 : 156,723.63 = 65,848.86 : x
  2. Step 2: Convert to fraction form
    113,567.85/156,723.63 = 65,848.86/x
  3. Step 3: Cross multiply
    113,567.85x = 156,723.63 × 65,848.86
  4. Step 4: Simplify right side
    113,567.85x = 10,320,072,370.56
  5. Step 5: Solve for x
    x = 10,320,072,370.56/113,567.85
  6. Step 6: Final answer
    x = 90,871.43

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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.