Home / 56,758.32-78,354.54-35,549.28

Finding the Fourth Proportional to 56,758.32, 78,354.54 and 35,549.28

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Solution

The fourth proportional to 56,758.32, 78,354.54 and 35,549.28 is: 49,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758.32 : 78,354.54 = 35,549.28 : x
  2. Step 2: Convert to fraction form
    56,758.32/78,354.54 = 35,549.28/x
  3. Step 3: Cross multiply
    56,758.32x = 78,354.54 × 35,549.28
  4. Step 4: Simplify right side
    56,758.32x = 2,785,447,481.73
  5. Step 5: Solve for x
    x = 2,785,447,481.73/56,758.32
  6. Step 6: Final answer
    x = 49,075.58

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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.