Home / 85,036.92-117,338.57-51,038.19

Finding the Fourth Proportional to 85,036.92, 117,338.57 and 51,038.19

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Solution

The fourth proportional to 85,036.92, 117,338.57 and 51,038.19 is: 70,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,036.92 : 117,338.57 = 51,038.19 : x
  2. Step 2: Convert to fraction form
    85,036.92/117,338.57 = 51,038.19/x
  3. Step 3: Cross multiply
    85,036.92x = 117,338.57 × 51,038.19
  4. Step 4: Simplify right side
    85,036.92x = 5,988,747,974.80
  5. Step 5: Solve for x
    x = 5,988,747,974.80/85,036.92
  6. Step 6: Final answer
    x = 70,425.27

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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.