Home / 85,190.43-117,549.06-49,373.55

Finding the Fourth Proportional to 85,190.43, 117,549.06 and 49,373.55

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Solution

The fourth proportional to 85,190.43, 117,549.06 and 49,373.55 is: 68,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,190.43 : 117,549.06 = 49,373.55 : x
  2. Step 2: Convert to fraction form
    85,190.43/117,549.06 = 49,373.55/x
  3. Step 3: Cross multiply
    85,190.43x = 117,549.06 × 49,373.55
  4. Step 4: Simplify right side
    85,190.43x = 5,803,814,206.21
  5. Step 5: Solve for x
    x = 5,803,814,206.21/85,190.43
  6. Step 6: Final answer
    x = 68,127.53

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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.