Home / 47,075.76-64,965.36-25,855.92

Finding the Fourth Proportional to 47,075.76, 64,965.36 and 25,855.92

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Solution

The fourth proportional to 47,075.76, 64,965.36 and 25,855.92 is: 35,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,075.76 : 64,965.36 = 25,855.92 : x
  2. Step 2: Convert to fraction form
    47,075.76/64,965.36 = 25,855.92/x
  3. Step 3: Cross multiply
    47,075.76x = 64,965.36 × 25,855.92
  4. Step 4: Simplify right side
    47,075.76x = 1,679,739,150.93
  5. Step 5: Solve for x
    x = 1,679,739,150.93/47,075.76
  6. Step 6: Final answer
    x = 35,681.62

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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.