Home / 85,475.48-117,937.89-49,646.95

Finding the Fourth Proportional to 85,475.48, 117,937.89 and 49,646.95

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Solution

The fourth proportional to 85,475.48, 117,937.89 and 49,646.95 is: 68,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475.48 : 117,937.89 = 49,646.95 : x
  2. Step 2: Convert to fraction form
    85,475.48/117,937.89 = 49,646.95/x
  3. Step 3: Cross multiply
    85,475.48x = 117,937.89 × 49,646.95
  4. Step 4: Simplify right side
    85,475.48x = 5,855,256,233.09
  5. Step 5: Solve for x
    x = 5,855,256,233.09/85,475.48
  6. Step 6: Final answer
    x = 68,502.18

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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.