Home / 85,512.76-128,296.82-41,133.74

Finding the Fourth Proportional to 85,512.76, 128,296.82 and 41,133.74

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Solution

The fourth proportional to 85,512.76, 128,296.82 and 41,133.74 is: 61,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,512.76 : 128,296.82 = 41,133.74 : x
  2. Step 2: Convert to fraction form
    85,512.76/128,296.82 = 41,133.74/x
  3. Step 3: Cross multiply
    85,512.76x = 128,296.82 × 41,133.74
  4. Step 4: Simplify right side
    85,512.76x = 5,277,328,036.71
  5. Step 5: Solve for x
    x = 5,277,328,036.71/85,512.76
  6. Step 6: Final answer
    x = 61,713.92

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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.