Home / 52,221.26-72,064.89-28,347.93

Finding the Fourth Proportional to 52,221.26, 72,064.89 and 28,347.93

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Solution

The fourth proportional to 52,221.26, 72,064.89 and 28,347.93 is: 39,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.26 : 72,064.89 = 28,347.93 : x
  2. Step 2: Convert to fraction form
    52,221.26/72,064.89 = 28,347.93/x
  3. Step 3: Cross multiply
    52,221.26x = 72,064.89 × 28,347.93
  4. Step 4: Simplify right side
    52,221.26x = 2,042,890,457.18
  5. Step 5: Solve for x
    x = 2,042,890,457.18/52,221.26
  6. Step 6: Final answer
    x = 39,119.90

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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.