Home / 55,336.35-76,367.78-31,465.25

Finding the Fourth Proportional to 55,336.35, 76,367.78 and 31,465.25

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Solution

The fourth proportional to 55,336.35, 76,367.78 and 31,465.25 is: 43,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,336.35 : 76,367.78 = 31,465.25 : x
  2. Step 2: Convert to fraction form
    55,336.35/76,367.78 = 31,465.25/x
  3. Step 3: Cross multiply
    55,336.35x = 76,367.78 × 31,465.25
  4. Step 4: Simplify right side
    55,336.35x = 2,402,931,289.65
  5. Step 5: Solve for x
    x = 2,402,931,289.65/55,336.35
  6. Step 6: Final answer
    x = 43,424.10

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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.