Home / 85,166.79-117,528.70-49,360.13

Finding the Fourth Proportional to 85,166.79, 117,528.70 and 49,360.13

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Solution

The fourth proportional to 85,166.79, 117,528.70 and 49,360.13 is: 68,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,166.79 : 117,528.70 = 49,360.13 : x
  2. Step 2: Convert to fraction form
    85,166.79/117,528.70 = 49,360.13/x
  3. Step 3: Cross multiply
    85,166.79x = 117,528.70 × 49,360.13
  4. Step 4: Simplify right side
    85,166.79x = 5,801,232,255.24
  5. Step 5: Solve for x
    x = 5,801,232,255.24/85,166.79
  6. Step 6: Final answer
    x = 68,116.13

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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.