Home / 52,220.29-72,064.10-28,346.98

Finding the Fourth Proportional to 52,220.29, 72,064.10 and 28,346.98

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Solution

The fourth proportional to 52,220.29, 72,064.10 and 28,346.98 is: 39,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.29 : 72,064.10 = 28,346.98 : x
  2. Step 2: Convert to fraction form
    52,220.29/72,064.10 = 28,346.98/x
  3. Step 3: Cross multiply
    52,220.29x = 72,064.10 × 28,346.98
  4. Step 4: Simplify right side
    52,220.29x = 2,042,799,601.42
  5. Step 5: Solve for x
    x = 2,042,799,601.42/52,220.29
  6. Step 6: Final answer
    x = 39,118.89

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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.