Home / 85,269.53-117,672.71-47,030.55

Finding the Fourth Proportional to 85,269.53, 117,672.71 and 47,030.55

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Solution

The fourth proportional to 85,269.53, 117,672.71 and 47,030.55 is: 64,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.53 : 117,672.71 = 47,030.55 : x
  2. Step 2: Convert to fraction form
    85,269.53/117,672.71 = 47,030.55/x
  3. Step 3: Cross multiply
    85,269.53x = 117,672.71 × 47,030.55
  4. Step 4: Simplify right side
    85,269.53x = 5,534,212,036.14
  5. Step 5: Solve for x
    x = 5,534,212,036.14/85,269.53
  6. Step 6: Final answer
    x = 64,902.58

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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.