Home / 51,485.48-77,239.56-29,309.32

Finding the Fourth Proportional to 51,485.48, 77,239.56 and 29,309.32

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Solution

The fourth proportional to 51,485.48, 77,239.56 and 29,309.32 is: 43,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,485.48 : 77,239.56 = 29,309.32 : x
  2. Step 2: Convert to fraction form
    51,485.48/77,239.56 = 29,309.32/x
  3. Step 3: Cross multiply
    51,485.48x = 77,239.56 × 29,309.32
  4. Step 4: Simplify right side
    51,485.48x = 2,263,838,980.70
  5. Step 5: Solve for x
    x = 2,263,838,980.70/51,485.48
  6. Step 6: Final answer
    x = 43,970.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.