Home / 77,156.40-106,476.60-45,325.80

Finding the Fourth Proportional to 77,156.40, 106,476.60 and 45,325.80

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Solution

The fourth proportional to 77,156.40, 106,476.60 and 45,325.80 is: 62,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,156.40 : 106,476.60 = 45,325.80 : x
  2. Step 2: Convert to fraction form
    77,156.40/106,476.60 = 45,325.80/x
  3. Step 3: Cross multiply
    77,156.40x = 106,476.60 × 45,325.80
  4. Step 4: Simplify right side
    77,156.40x = 4,826,137,076.28
  5. Step 5: Solve for x
    x = 4,826,137,076.28/77,156.40
  6. Step 6: Final answer
    x = 62,550.06

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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.