Home / 76,918.32-106,151.34-45,097.50

Finding the Fourth Proportional to 76,918.32, 106,151.34 and 45,097.50

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Solution

The fourth proportional to 76,918.32, 106,151.34 and 45,097.50 is: 62,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,918.32 : 106,151.34 = 45,097.50 : x
  2. Step 2: Convert to fraction form
    76,918.32/106,151.34 = 45,097.50/x
  3. Step 3: Cross multiply
    76,918.32x = 106,151.34 × 45,097.50
  4. Step 4: Simplify right side
    76,918.32x = 4,787,160,055.65
  5. Step 5: Solve for x
    x = 4,787,160,055.65/76,918.32
  6. Step 6: Final answer
    x = 62,236.93

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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.