Home / 85,695.28-118,245.40-53,841.62

Finding the Fourth Proportional to 85,695.28, 118,245.40 and 53,841.62

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Solution

The fourth proportional to 85,695.28, 118,245.40 and 53,841.62 is: 74,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,695.28 : 118,245.40 = 53,841.62 : x
  2. Step 2: Convert to fraction form
    85,695.28/118,245.40 = 53,841.62/x
  3. Step 3: Cross multiply
    85,695.28x = 118,245.40 × 53,841.62
  4. Step 4: Simplify right side
    85,695.28x = 6,366,523,893.55
  5. Step 5: Solve for x
    x = 6,366,523,893.55/85,695.28
  6. Step 6: Final answer
    x = 74,292.59

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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.