Home / 51,853.64-77,635.20-28,075.82

Finding the Fourth Proportional to 51,853.64, 77,635.20 and 28,075.82

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Solution

The fourth proportional to 51,853.64, 77,635.20 and 28,075.82 is: 42,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.64 : 77,635.20 = 28,075.82 : x
  2. Step 2: Convert to fraction form
    51,853.64/77,635.20 = 28,075.82/x
  3. Step 3: Cross multiply
    51,853.64x = 77,635.20 × 28,075.82
  4. Step 4: Simplify right side
    51,853.64x = 2,179,671,900.86
  5. Step 5: Solve for x
    x = 2,179,671,900.86/51,853.64
  6. Step 6: Final answer
    x = 42,035.08

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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.