Home / 52,252.16-72,108.51-28,379.30

Finding the Fourth Proportional to 52,252.16, 72,108.51 and 28,379.30

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Solution

The fourth proportional to 52,252.16, 72,108.51 and 28,379.30 is: 39,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.16 : 72,108.51 = 28,379.30 : x
  2. Step 2: Convert to fraction form
    52,252.16/72,108.51 = 28,379.30/x
  3. Step 3: Cross multiply
    52,252.16x = 72,108.51 × 28,379.30
  4. Step 4: Simplify right side
    52,252.16x = 2,046,389,037.84
  5. Step 5: Solve for x
    x = 2,046,389,037.84/52,252.16
  6. Step 6: Final answer
    x = 39,163.72

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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.