Home / 113,055.46-156,008.73-62,750.50

Finding the Fourth Proportional to 113,055.46, 156,008.73 and 62,750.50

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Solution

The fourth proportional to 113,055.46, 156,008.73 and 62,750.50 is: 86,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,055.46 : 156,008.73 = 62,750.50 : x
  2. Step 2: Convert to fraction form
    113,055.46/156,008.73 = 62,750.50/x
  3. Step 3: Cross multiply
    113,055.46x = 156,008.73 × 62,750.50
  4. Step 4: Simplify right side
    113,055.46x = 9,789,625,811.87
  5. Step 5: Solve for x
    x = 9,789,625,811.87/113,055.46
  6. Step 6: Final answer
    x = 86,591.36

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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.