Home / 72,558.96-100,137.45-42,346.26

Finding the Fourth Proportional to 72,558.96, 100,137.45 and 42,346.26

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Solution

The fourth proportional to 72,558.96, 100,137.45 and 42,346.26 is: 58,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.96 : 100,137.45 = 42,346.26 : x
  2. Step 2: Convert to fraction form
    72,558.96/100,137.45 = 42,346.26/x
  3. Step 3: Cross multiply
    72,558.96x = 100,137.45 × 42,346.26
  4. Step 4: Simplify right side
    72,558.96x = 4,240,446,493.44
  5. Step 5: Solve for x
    x = 4,240,446,493.44/72,558.96
  6. Step 6: Final answer
    x = 58,441.39

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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.