Home / 77,442.42-106,880.94-45,611.04

Finding the Fourth Proportional to 77,442.42, 106,880.94 and 45,611.04

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Solution

The fourth proportional to 77,442.42, 106,880.94 and 45,611.04 is: 62,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442.42 : 106,880.94 = 45,611.04 : x
  2. Step 2: Convert to fraction form
    77,442.42/106,880.94 = 45,611.04/x
  3. Step 3: Cross multiply
    77,442.42x = 106,880.94 × 45,611.04
  4. Step 4: Simplify right side
    77,442.42x = 4,874,950,829.58
  5. Step 5: Solve for x
    x = 4,874,950,829.58/77,442.42
  6. Step 6: Final answer
    x = 62,949.36

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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.