Home / 85,984.03-128,932.13-50,514.63

Finding the Fourth Proportional to 85,984.03, 128,932.13 and 50,514.63

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Solution

The fourth proportional to 85,984.03, 128,932.13 and 50,514.63 is: 75,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,984.03 : 128,932.13 = 50,514.63 : x
  2. Step 2: Convert to fraction form
    85,984.03/128,932.13 = 50,514.63/x
  3. Step 3: Cross multiply
    85,984.03x = 128,932.13 × 50,514.63
  4. Step 4: Simplify right side
    85,984.03x = 6,512,958,925.95
  5. Step 5: Solve for x
    x = 6,512,958,925.95/85,984.03
  6. Step 6: Final answer
    x = 75,746.15

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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.