Home / 85,475.23-117,937.54-49,646.70

Finding the Fourth Proportional to 85,475.23, 117,937.54 and 49,646.70

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Solution

The fourth proportional to 85,475.23, 117,937.54 and 49,646.70 is: 68,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475.23 : 117,937.54 = 49,646.70 : x
  2. Step 2: Convert to fraction form
    85,475.23/117,937.54 = 49,646.70/x
  3. Step 3: Cross multiply
    85,475.23x = 117,937.54 × 49,646.70
  4. Step 4: Simplify right side
    85,475.23x = 5,855,209,667.12
  5. Step 5: Solve for x
    x = 5,855,209,667.12/85,475.23
  6. Step 6: Final answer
    x = 68,501.83

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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.