Home / 56,438.04-77,856.30-36,029.64

Finding the Fourth Proportional to 56,438.04, 77,856.30 and 36,029.64

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Solution

The fourth proportional to 56,438.04, 77,856.30 and 36,029.64 is: 49,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.04 : 77,856.30 = 36,029.64 : x
  2. Step 2: Convert to fraction form
    56,438.04/77,856.30 = 36,029.64/x
  3. Step 3: Cross multiply
    56,438.04x = 77,856.30 × 36,029.64
  4. Step 4: Simplify right side
    56,438.04x = 2,805,134,460.73
  5. Step 5: Solve for x
    x = 2,805,134,460.73/56,438.04
  6. Step 6: Final answer
    x = 49,702.90

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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.