Home / 77,848.24-107,410.80-47,622.52

Finding the Fourth Proportional to 77,848.24, 107,410.80 and 47,622.52

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Solution

The fourth proportional to 77,848.24, 107,410.80 and 47,622.52 is: 65,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.24 : 107,410.80 = 47,622.52 : x
  2. Step 2: Convert to fraction form
    77,848.24/107,410.80 = 47,622.52/x
  3. Step 3: Cross multiply
    77,848.24x = 107,410.80 × 47,622.52
  4. Step 4: Simplify right side
    77,848.24x = 5,115,172,971.22
  5. Step 5: Solve for x
    x = 5,115,172,971.22/77,848.24
  6. Step 6: Final answer
    x = 65,706.98

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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.