Home / 113,225.76-156,261.36-62,928

Finding the Fourth Proportional to 113,225.76, 156,261.36 and 62,928

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Solution

The fourth proportional to 113,225.76, 156,261.36 and 62,928 is: 86,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,225.76 : 156,261.36 = 62,928 : x
  2. Step 2: Convert to fraction form
    113,225.76/156,261.36 = 62,928/x
  3. Step 3: Cross multiply
    113,225.76x = 156,261.36 × 62,928
  4. Step 4: Simplify right side
    113,225.76x = 9,833,214,862.08
  5. Step 5: Solve for x
    x = 9,833,214,862.08/113,225.76
  6. Step 6: Final answer
    x = 86,846.09

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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.