Home / 85,289.08-117,696.18-47,048.54

Finding the Fourth Proportional to 85,289.08, 117,696.18 and 47,048.54

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Solution

The fourth proportional to 85,289.08, 117,696.18 and 47,048.54 is: 64,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,289.08 : 117,696.18 = 47,048.54 : x
  2. Step 2: Convert to fraction form
    85,289.08/117,696.18 = 47,048.54/x
  3. Step 3: Cross multiply
    85,289.08x = 117,696.18 × 47,048.54
  4. Step 4: Simplify right side
    85,289.08x = 5,537,433,432.58
  5. Step 5: Solve for x
    x = 5,537,433,432.58/85,289.08
  6. Step 6: Final answer
    x = 64,925.47

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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.