Home / 55,801.62-77,006.97-31,603.86

Finding the Fourth Proportional to 55,801.62, 77,006.97 and 31,603.86

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Solution

The fourth proportional to 55,801.62, 77,006.97 and 31,603.86 is: 43,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.62 : 77,006.97 = 31,603.86 : x
  2. Step 2: Convert to fraction form
    55,801.62/77,006.97 = 31,603.86/x
  3. Step 3: Cross multiply
    55,801.62x = 77,006.97 × 31,603.86
  4. Step 4: Simplify right side
    55,801.62x = 2,433,717,498.90
  5. Step 5: Solve for x
    x = 2,433,717,498.90/55,801.62
  6. Step 6: Final answer
    x = 43,613.74

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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.