Home / 77,302.21-106,698.05-45,481.36

Finding the Fourth Proportional to 77,302.21, 106,698.05 and 45,481.36

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Solution

The fourth proportional to 77,302.21, 106,698.05 and 45,481.36 is: 62,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,302.21 : 106,698.05 = 45,481.36 : x
  2. Step 2: Convert to fraction form
    77,302.21/106,698.05 = 45,481.36/x
  3. Step 3: Cross multiply
    77,302.21x = 106,698.05 × 45,481.36
  4. Step 4: Simplify right side
    77,302.21x = 4,852,772,423.35
  5. Step 5: Solve for x
    x = 4,852,772,423.35/77,302.21
  6. Step 6: Final answer
    x = 62,776.63

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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.