Home / 85,432.32-117,896.13-47,194.50

Finding the Fourth Proportional to 85,432.32, 117,896.13 and 47,194.50

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Solution

The fourth proportional to 85,432.32, 117,896.13 and 47,194.50 is: 65,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,432.32 : 117,896.13 = 47,194.50 : x
  2. Step 2: Convert to fraction form
    85,432.32/117,896.13 = 47,194.50/x
  3. Step 3: Cross multiply
    85,432.32x = 117,896.13 × 47,194.50
  4. Step 4: Simplify right side
    85,432.32x = 5,564,048,435.79
  5. Step 5: Solve for x
    x = 5,564,048,435.79/85,432.32
  6. Step 6: Final answer
    x = 65,128.14

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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.