Home / 85,253.65-117,647.35-47,014.81

Finding the Fourth Proportional to 85,253.65, 117,647.35 and 47,014.81

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Solution

The fourth proportional to 85,253.65, 117,647.35 and 47,014.81 is: 64,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,253.65 : 117,647.35 = 47,014.81 : x
  2. Step 2: Convert to fraction form
    85,253.65/117,647.35 = 47,014.81/x
  3. Step 3: Cross multiply
    85,253.65x = 117,647.35 × 47,014.81
  4. Step 4: Simplify right side
    85,253.65x = 5,531,167,395.60
  5. Step 5: Solve for x
    x = 5,531,167,395.60/85,253.65
  6. Step 6: Final answer
    x = 64,878.95

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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.