Home / 85,734.96-118,328.64-49,946.16

Finding the Fourth Proportional to 85,734.96, 118,328.64 and 49,946.16

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Solution

The fourth proportional to 85,734.96, 118,328.64 and 49,946.16 is: 68,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734.96 : 118,328.64 = 49,946.16 : x
  2. Step 2: Convert to fraction form
    85,734.96/118,328.64 = 49,946.16/x
  3. Step 3: Cross multiply
    85,734.96x = 118,328.64 × 49,946.16
  4. Step 4: Simplify right side
    85,734.96x = 5,910,061,186.02
  5. Step 5: Solve for x
    x = 5,910,061,186.02/85,734.96
  6. Step 6: Final answer
    x = 68,934.09

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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.