Home / 85,097.91-127,506.12-51,716.59

Finding the Fourth Proportional to 85,097.91, 127,506.12 and 51,716.59

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Solution

The fourth proportional to 85,097.91, 127,506.12 and 51,716.59 is: 77,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.91 : 127,506.12 = 51,716.59 : x
  2. Step 2: Convert to fraction form
    85,097.91/127,506.12 = 51,716.59/x
  3. Step 3: Cross multiply
    85,097.91x = 127,506.12 × 51,716.59
  4. Step 4: Simplify right side
    85,097.91x = 6,594,181,730.53
  5. Step 5: Solve for x
    x = 6,594,181,730.53/85,097.91
  6. Step 6: Final answer
    x = 77,489.35

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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.