Home / 88,754.40-122,474.16-51,021.36

Finding the Fourth Proportional to 88,754.40, 122,474.16 and 51,021.36

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Solution

The fourth proportional to 88,754.40, 122,474.16 and 51,021.36 is: 70,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,754.40 : 122,474.16 = 51,021.36 : x
  2. Step 2: Convert to fraction form
    88,754.40/122,474.16 = 51,021.36/x
  3. Step 3: Cross multiply
    88,754.40x = 122,474.16 × 51,021.36
  4. Step 4: Simplify right side
    88,754.40x = 6,248,798,208.06
  5. Step 5: Solve for x
    x = 6,248,798,208.06/88,754.40
  6. Step 6: Final answer
    x = 70,405.50

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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.