Home / 71,927.96-99,261.32-39,663.77

Finding the Fourth Proportional to 71,927.96, 99,261.32 and 39,663.77

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Solution

The fourth proportional to 71,927.96, 99,261.32 and 39,663.77 is: 54,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,927.96 : 99,261.32 = 39,663.77 : x
  2. Step 2: Convert to fraction form
    71,927.96/99,261.32 = 39,663.77/x
  3. Step 3: Cross multiply
    71,927.96x = 99,261.32 × 39,663.77
  4. Step 4: Simplify right side
    71,927.96x = 3,937,077,471.75
  5. Step 5: Solve for x
    x = 3,937,077,471.75/71,927.96
  6. Step 6: Final answer
    x = 54,736.40

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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.