Home / 85,317.81-117,744.09-49,030.93

Finding the Fourth Proportional to 85,317.81, 117,744.09 and 49,030.93

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Solution

The fourth proportional to 85,317.81, 117,744.09 and 49,030.93 is: 67,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,317.81 : 117,744.09 = 49,030.93 : x
  2. Step 2: Convert to fraction form
    85,317.81/117,744.09 = 49,030.93/x
  3. Step 3: Cross multiply
    85,317.81x = 117,744.09 × 49,030.93
  4. Step 4: Simplify right side
    85,317.81x = 5,773,101,756.48
  5. Step 5: Solve for x
    x = 5,773,101,756.48/85,317.81
  6. Step 6: Final answer
    x = 67,665.84

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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.