Home / 76,922.19-106,157.96-42,937.31

Finding the Fourth Proportional to 76,922.19, 106,157.96 and 42,937.31

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Solution

The fourth proportional to 76,922.19, 106,157.96 and 42,937.31 is: 59,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922.19 : 106,157.96 = 42,937.31 : x
  2. Step 2: Convert to fraction form
    76,922.19/106,157.96 = 42,937.31/x
  3. Step 3: Cross multiply
    76,922.19x = 106,157.96 × 42,937.31
  4. Step 4: Simplify right side
    76,922.19x = 4,558,137,237.49
  5. Step 5: Solve for x
    x = 4,558,137,237.49/76,922.19
  6. Step 6: Final answer
    x = 59,256.47

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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.