Home / 72,937.82-100,662.26-42,317.66

Finding the Fourth Proportional to 72,937.82, 100,662.26 and 42,317.66

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Solution

The fourth proportional to 72,937.82, 100,662.26 and 42,317.66 is: 58,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,937.82 : 100,662.26 = 42,317.66 : x
  2. Step 2: Convert to fraction form
    72,937.82/100,662.26 = 42,317.66/x
  3. Step 3: Cross multiply
    72,937.82x = 100,662.26 × 42,317.66
  4. Step 4: Simplify right side
    72,937.82x = 4,259,791,333.58
  5. Step 5: Solve for x
    x = 4,259,791,333.58/72,937.82
  6. Step 6: Final answer
    x = 58,403.05

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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.