Home / 56,966.14-78,617.88-31,474.74

Finding the Fourth Proportional to 56,966.14, 78,617.88 and 31,474.74

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Solution

The fourth proportional to 56,966.14, 78,617.88 and 31,474.74 is: 43,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,966.14 : 78,617.88 = 31,474.74 : x
  2. Step 2: Convert to fraction form
    56,966.14/78,617.88 = 31,474.74/x
  3. Step 3: Cross multiply
    56,966.14x = 78,617.88 × 31,474.74
  4. Step 4: Simplify right side
    56,966.14x = 2,474,477,174.98
  5. Step 5: Solve for x
    x = 2,474,477,174.98/56,966.14
  6. Step 6: Final answer
    x = 43,437.69

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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.