Home / 85,066.07-117,359.55-84,934.85

Finding the Fourth Proportional to 85,066.07, 117,359.55 and 84,934.85

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Solution

The fourth proportional to 85,066.07, 117,359.55 and 84,934.85 is: 117,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,066.07 : 117,359.55 = 84,934.85 : x
  2. Step 2: Convert to fraction form
    85,066.07/117,359.55 = 84,934.85/x
  3. Step 3: Cross multiply
    85,066.07x = 117,359.55 × 84,934.85
  4. Step 4: Simplify right side
    85,066.07x = 9,967,915,188.52
  5. Step 5: Solve for x
    x = 9,967,915,188.52/85,066.07
  6. Step 6: Final answer
    x = 117,178.52

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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.