Home / 113,655.08-156,835.20-62,667.68

Finding the Fourth Proportional to 113,655.08, 156,835.20 and 62,667.68

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Solution

The fourth proportional to 113,655.08, 156,835.20 and 62,667.68 is: 86,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,655.08 : 156,835.20 = 62,667.68 : x
  2. Step 2: Convert to fraction form
    113,655.08/156,835.20 = 62,667.68/x
  3. Step 3: Cross multiply
    113,655.08x = 156,835.20 × 62,667.68
  4. Step 4: Simplify right side
    113,655.08x = 9,828,498,126.34
  5. Step 5: Solve for x
    x = 9,828,498,126.34/113,655.08
  6. Step 6: Final answer
    x = 86,476.54

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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.