Home / 51,725.98-77,587.43-14,288.30

Finding the Fourth Proportional to 51,725.98, 77,587.43 and 14,288.30

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Solution

The fourth proportional to 51,725.98, 77,587.43 and 14,288.30 is: 21,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,725.98 : 77,587.43 = 14,288.30 : x
  2. Step 2: Convert to fraction form
    51,725.98/77,587.43 = 14,288.30/x
  3. Step 3: Cross multiply
    51,725.98x = 77,587.43 × 14,288.30
  4. Step 4: Simplify right side
    51,725.98x = 1,108,592,408.11
  5. Step 5: Solve for x
    x = 1,108,592,408.11/51,725.98
  6. Step 6: Final answer
    x = 21,432.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.