Home / 85,338.03-117,717.51-49,523.47

Finding the Fourth Proportional to 85,338.03, 117,717.51 and 49,523.47

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Solution

The fourth proportional to 85,338.03, 117,717.51 and 49,523.47 is: 68,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338.03 : 117,717.51 = 49,523.47 : x
  2. Step 2: Convert to fraction form
    85,338.03/117,717.51 = 49,523.47/x
  3. Step 3: Cross multiply
    85,338.03x = 117,717.51 × 49,523.47
  4. Step 4: Simplify right side
    85,338.03x = 5,829,779,574.96
  5. Step 5: Solve for x
    x = 5,829,779,574.96/85,338.03
  6. Step 6: Final answer
    x = 68,313.97

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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.