Home / 113,658.21-156,845.31-62,670.07

Finding the Fourth Proportional to 113,658.21, 156,845.31 and 62,670.07

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Solution

The fourth proportional to 113,658.21, 156,845.31 and 62,670.07 is: 86,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,658.21 : 156,845.31 = 62,670.07 : x
  2. Step 2: Convert to fraction form
    113,658.21/156,845.31 = 62,670.07/x
  3. Step 3: Cross multiply
    113,658.21x = 156,845.31 × 62,670.07
  4. Step 4: Simplify right side
    113,658.21x = 9,829,506,556.87
  5. Step 5: Solve for x
    x = 9,829,506,556.87/113,658.21
  6. Step 6: Final answer
    x = 86,483.03

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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.