Home / 52,188.54-72,020.20-28,315.22

Finding the Fourth Proportional to 52,188.54, 72,020.20 and 28,315.22

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Solution

The fourth proportional to 52,188.54, 72,020.20 and 28,315.22 is: 39,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,188.54 : 72,020.20 = 28,315.22 : x
  2. Step 2: Convert to fraction form
    52,188.54/72,020.20 = 28,315.22/x
  3. Step 3: Cross multiply
    52,188.54x = 72,020.20 × 28,315.22
  4. Step 4: Simplify right side
    52,188.54x = 2,039,267,755.12
  5. Step 5: Solve for x
    x = 2,039,267,755.12/52,188.54
  6. Step 6: Final answer
    x = 39,075.01

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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.