Home / 63,000.72-86,945-34,706.44

Finding the Fourth Proportional to 63,000.72, 86,945 and 34,706.44

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Solution

The fourth proportional to 63,000.72, 86,945 and 34,706.44 is: 47,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,000.72 : 86,945 = 34,706.44 : x
  2. Step 2: Convert to fraction form
    63,000.72/86,945 = 34,706.44/x
  3. Step 3: Cross multiply
    63,000.72x = 86,945 × 34,706.44
  4. Step 4: Simplify right side
    63,000.72x = 3,017,551,425.80
  5. Step 5: Solve for x
    x = 3,017,551,425.80/63,000.72
  6. Step 6: Final answer
    x = 47,897.09

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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.