Home / 89,047.54-122,852.05-58,437.64

Finding the Fourth Proportional to 89,047.54, 122,852.05 and 58,437.64

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Solution

The fourth proportional to 89,047.54, 122,852.05 and 58,437.64 is: 80,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.54 : 122,852.05 = 58,437.64 : x
  2. Step 2: Convert to fraction form
    89,047.54/122,852.05 = 58,437.64/x
  3. Step 3: Cross multiply
    89,047.54x = 122,852.05 × 58,437.64
  4. Step 4: Simplify right side
    89,047.54x = 7,179,183,871.16
  5. Step 5: Solve for x
    x = 7,179,183,871.16/89,047.54
  6. Step 6: Final answer
    x = 80,621.92

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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.