Home / 52,732.40-72,770.74-28,859.06

Finding the Fourth Proportional to 52,732.40, 72,770.74 and 28,859.06

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Solution

The fourth proportional to 52,732.40, 72,770.74 and 28,859.06 is: 39,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,732.40 : 72,770.74 = 28,859.06 : x
  2. Step 2: Convert to fraction form
    52,732.40/72,770.74 = 28,859.06/x
  3. Step 3: Cross multiply
    52,732.40x = 72,770.74 × 28,859.06
  4. Step 4: Simplify right side
    52,732.40x = 2,100,095,151.90
  5. Step 5: Solve for x
    x = 2,100,095,151.90/52,732.40
  6. Step 6: Final answer
    x = 39,825.52

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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.