Home / 85,540.32-118,035.33-47,294.70

Finding the Fourth Proportional to 85,540.32, 118,035.33 and 47,294.70

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Solution

The fourth proportional to 85,540.32, 118,035.33 and 47,294.70 is: 65,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,540.32 : 118,035.33 = 47,294.70 : x
  2. Step 2: Convert to fraction form
    85,540.32/118,035.33 = 47,294.70/x
  3. Step 3: Cross multiply
    85,540.32x = 118,035.33 × 47,294.70
  4. Step 4: Simplify right side
    85,540.32x = 5,582,444,931.57
  5. Step 5: Solve for x
    x = 5,582,444,931.57/85,540.32
  6. Step 6: Final answer
    x = 65,260.98

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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.