Home / 85,606.08-118,107.63-49,766.82

Finding the Fourth Proportional to 85,606.08, 118,107.63 and 49,766.82

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Solution

The fourth proportional to 85,606.08, 118,107.63 and 49,766.82 is: 68,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,606.08 : 118,107.63 = 49,766.82 : x
  2. Step 2: Convert to fraction form
    85,606.08/118,107.63 = 49,766.82/x
  3. Step 3: Cross multiply
    85,606.08x = 118,107.63 × 49,766.82
  4. Step 4: Simplify right side
    85,606.08x = 5,877,841,162.84
  5. Step 5: Solve for x
    x = 5,877,841,162.84/85,606.08
  6. Step 6: Final answer
    x = 68,661.49

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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.