Home / 56,717.96-78,304.47-50,412.31

Finding the Fourth Proportional to 56,717.96, 78,304.47 and 50,412.31

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Solution

The fourth proportional to 56,717.96, 78,304.47 and 50,412.31 is: 69,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.96 : 78,304.47 = 50,412.31 : x
  2. Step 2: Convert to fraction form
    56,717.96/78,304.47 = 50,412.31/x
  3. Step 3: Cross multiply
    56,717.96x = 78,304.47 × 50,412.31
  4. Step 4: Simplify right side
    56,717.96x = 3,947,509,114.79
  5. Step 5: Solve for x
    x = 3,947,509,114.79/56,717.96
  6. Step 6: Final answer
    x = 69,598.93

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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.