Home / 85,318.81-117,745.47-49,031.93

Finding the Fourth Proportional to 85,318.81, 117,745.47 and 49,031.93

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Solution

The fourth proportional to 85,318.81, 117,745.47 and 49,031.93 is: 67,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,318.81 : 117,745.47 = 49,031.93 : x
  2. Step 2: Convert to fraction form
    85,318.81/117,745.47 = 49,031.93/x
  3. Step 3: Cross multiply
    85,318.81x = 117,745.47 × 49,031.93
  4. Step 4: Simplify right side
    85,318.81x = 5,773,287,642.86
  5. Step 5: Solve for x
    x = 5,773,287,642.86/85,318.81
  6. Step 6: Final answer
    x = 67,667.23

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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.