Home / 76,955.60-106,222.92-45,137.36

Finding the Fourth Proportional to 76,955.60, 106,222.92 and 45,137.36

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Solution

The fourth proportional to 76,955.60, 106,222.92 and 45,137.36 is: 62,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955.60 : 106,222.92 = 45,137.36 : x
  2. Step 2: Convert to fraction form
    76,955.60/106,222.92 = 45,137.36/x
  3. Step 3: Cross multiply
    76,955.60x = 106,222.92 × 45,137.36
  4. Step 4: Simplify right side
    76,955.60x = 4,794,622,180.29
  5. Step 5: Solve for x
    x = 4,794,622,180.29/76,955.60
  6. Step 6: Final answer
    x = 62,303.75

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1.5x scale

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.