Home / 85,667.23-118,218.93-47,424.56

Finding the Fourth Proportional to 85,667.23, 118,218.93 and 47,424.56

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Solution

The fourth proportional to 85,667.23, 118,218.93 and 47,424.56 is: 65,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,667.23 : 118,218.93 = 47,424.56 : x
  2. Step 2: Convert to fraction form
    85,667.23/118,218.93 = 47,424.56/x
  3. Step 3: Cross multiply
    85,667.23x = 118,218.93 × 47,424.56
  4. Step 4: Simplify right side
    85,667.23x = 5,606,480,738.92
  5. Step 5: Solve for x
    x = 5,606,480,738.92/85,667.23
  6. Step 6: Final answer
    x = 65,444.87

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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.