Home / 102,799.30-154,075.56-52,902.94

Finding the Fourth Proportional to 102,799.30, 154,075.56 and 52,902.94

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Solution

The fourth proportional to 102,799.30, 154,075.56 and 52,902.94 is: 79,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,799.30 : 154,075.56 = 52,902.94 : x
  2. Step 2: Convert to fraction form
    102,799.30/154,075.56 = 52,902.94/x
  3. Step 3: Cross multiply
    102,799.30x = 154,075.56 × 52,902.94
  4. Step 4: Simplify right side
    102,799.30x = 8,151,050,106.15
  5. Step 5: Solve for x
    x = 8,151,050,106.15/102,799.30
  6. Step 6: Final answer
    x = 79,290.91

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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.