Home / 85,387.41-117,838.56-47,152.35

Finding the Fourth Proportional to 85,387.41, 117,838.56 and 47,152.35

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Solution

The fourth proportional to 85,387.41, 117,838.56 and 47,152.35 is: 65,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,387.41 : 117,838.56 = 47,152.35 : x
  2. Step 2: Convert to fraction form
    85,387.41/117,838.56 = 47,152.35/x
  3. Step 3: Cross multiply
    85,387.41x = 117,838.56 × 47,152.35
  4. Step 4: Simplify right side
    85,387.41x = 5,556,365,024.62
  5. Step 5: Solve for x
    x = 5,556,365,024.62/85,387.41
  6. Step 6: Final answer
    x = 65,072.42

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1.5x scale

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.