Home / 84,897.78-117,161.18-46,658.42

Finding the Fourth Proportional to 84,897.78, 117,161.18 and 46,658.42

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Solution

The fourth proportional to 84,897.78, 117,161.18 and 46,658.42 is: 64,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,897.78 : 117,161.18 = 46,658.42 : x
  2. Step 2: Convert to fraction form
    84,897.78/117,161.18 = 46,658.42/x
  3. Step 3: Cross multiply
    84,897.78x = 117,161.18 × 46,658.42
  4. Step 4: Simplify right side
    84,897.78x = 5,466,555,601.81
  5. Step 5: Solve for x
    x = 5,466,555,601.81/84,897.78
  6. Step 6: Final answer
    x = 64,389.86

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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.