Home / 52,044.80-78,009.60-27,075.20

Finding the Fourth Proportional to 52,044.80, 78,009.60 and 27,075.20

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Solution

The fourth proportional to 52,044.80, 78,009.60 and 27,075.20 is: 40,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.80 : 78,009.60 = 27,075.20 : x
  2. Step 2: Convert to fraction form
    52,044.80/78,009.60 = 27,075.20/x
  3. Step 3: Cross multiply
    52,044.80x = 78,009.60 × 27,075.20
  4. Step 4: Simplify right side
    52,044.80x = 2,112,125,521.92
  5. Step 5: Solve for x
    x = 2,112,125,521.92/52,044.80
  6. Step 6: Final answer
    x = 40,582.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.