Home / 56,907.46-78,525.05-31,758.02

Finding the Fourth Proportional to 56,907.46, 78,525.05 and 31,758.02

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Solution

The fourth proportional to 56,907.46, 78,525.05 and 31,758.02 is: 43,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.46 : 78,525.05 = 31,758.02 : x
  2. Step 2: Convert to fraction form
    56,907.46/78,525.05 = 31,758.02/x
  3. Step 3: Cross multiply
    56,907.46x = 78,525.05 × 31,758.02
  4. Step 4: Simplify right side
    56,907.46x = 2,493,800,108.40
  5. Step 5: Solve for x
    x = 2,493,800,108.40/56,907.46
  6. Step 6: Final answer
    x = 43,822.02

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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.