Home / 72,066.06-99,446.99-40,236.98

Finding the Fourth Proportional to 72,066.06, 99,446.99 and 40,236.98

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Solution

The fourth proportional to 72,066.06, 99,446.99 and 40,236.98 is: 55,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,066.06 : 99,446.99 = 40,236.98 : x
  2. Step 2: Convert to fraction form
    72,066.06/99,446.99 = 40,236.98/x
  3. Step 3: Cross multiply
    72,066.06x = 99,446.99 × 40,236.98
  4. Step 4: Simplify right side
    72,066.06x = 4,001,445,849.27
  5. Step 5: Solve for x
    x = 4,001,445,849.27/72,066.06
  6. Step 6: Final answer
    x = 55,524.69

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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.