Home / 61,578.38-84,933.28-47,075.34

Finding the Fourth Proportional to 61,578.38, 84,933.28 and 47,075.34

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Solution

The fourth proportional to 61,578.38, 84,933.28 and 47,075.34 is: 64,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578.38 : 84,933.28 = 47,075.34 : x
  2. Step 2: Convert to fraction form
    61,578.38/84,933.28 = 47,075.34/x
  3. Step 3: Cross multiply
    61,578.38x = 84,933.28 × 47,075.34
  4. Step 4: Simplify right side
    61,578.38x = 3,998,263,184.75
  5. Step 5: Solve for x
    x = 3,998,263,184.75/61,578.38
  6. Step 6: Final answer
    x = 64,929.66

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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.