Home / 85,884.72-118,522.08-64,336.29

Finding the Fourth Proportional to 85,884.72, 118,522.08 and 64,336.29

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Solution

The fourth proportional to 85,884.72, 118,522.08 and 64,336.29 is: 88,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,884.72 : 118,522.08 = 64,336.29 : x
  2. Step 2: Convert to fraction form
    85,884.72/118,522.08 = 64,336.29/x
  3. Step 3: Cross multiply
    85,884.72x = 118,522.08 × 64,336.29
  4. Step 4: Simplify right side
    85,884.72x = 7,625,270,910.28
  5. Step 5: Solve for x
    x = 7,625,270,910.28/85,884.72
  6. Step 6: Final answer
    x = 88,784.95

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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.