Home / 55,877.99-77,092.75-31,676.35

Finding the Fourth Proportional to 55,877.99, 77,092.75 and 31,676.35

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Solution

The fourth proportional to 55,877.99, 77,092.75 and 31,676.35 is: 43,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.99 : 77,092.75 = 31,676.35 : x
  2. Step 2: Convert to fraction form
    55,877.99/77,092.75 = 31,676.35/x
  3. Step 3: Cross multiply
    55,877.99x = 77,092.75 × 31,676.35
  4. Step 4: Simplify right side
    55,877.99x = 2,442,017,136.75
  5. Step 5: Solve for x
    x = 2,442,017,136.75/55,877.99
  6. Step 6: Final answer
    x = 43,702.67

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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.