Home / 85,085.68-117,444.09-49,284.49

Finding the Fourth Proportional to 85,085.68, 117,444.09 and 49,284.49

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Solution

The fourth proportional to 85,085.68, 117,444.09 and 49,284.49 is: 68,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,085.68 : 117,444.09 = 49,284.49 : x
  2. Step 2: Convert to fraction form
    85,085.68/117,444.09 = 49,284.49/x
  3. Step 3: Cross multiply
    85,085.68x = 117,444.09 × 49,284.49
  4. Step 4: Simplify right side
    85,085.68x = 5,788,172,079.16
  5. Step 5: Solve for x
    x = 5,788,172,079.16/85,085.68
  6. Step 6: Final answer
    x = 68,027.57

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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.