Home / 112,865.76-169,307.28-37,986.12

Finding the Fourth Proportional to 112,865.76, 169,307.28 and 37,986.12

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Solution

The fourth proportional to 112,865.76, 169,307.28 and 37,986.12 is: 56,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,865.76 : 169,307.28 = 37,986.12 : x
  2. Step 2: Convert to fraction form
    112,865.76/169,307.28 = 37,986.12/x
  3. Step 3: Cross multiply
    112,865.76x = 169,307.28 × 37,986.12
  4. Step 4: Simplify right side
    112,865.76x = 6,431,326,654.95
  5. Step 5: Solve for x
    x = 6,431,326,654.95/112,865.76
  6. Step 6: Final answer
    x = 56,982.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.