Home / 85,748.63-118,336.75-49,932.86

Finding the Fourth Proportional to 85,748.63, 118,336.75 and 49,932.86

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Solution

The fourth proportional to 85,748.63, 118,336.75 and 49,932.86 is: 68,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,748.63 : 118,336.75 = 49,932.86 : x
  2. Step 2: Convert to fraction form
    85,748.63/118,336.75 = 49,932.86/x
  3. Step 3: Cross multiply
    85,748.63x = 118,336.75 × 49,932.86
  4. Step 4: Simplify right side
    85,748.63x = 5,908,891,654.09
  5. Step 5: Solve for x
    x = 5,908,891,654.09/85,748.63
  6. Step 6: Final answer
    x = 68,909.46

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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.