Home / 75,724.37-104,501.75-43,461.77

Finding the Fourth Proportional to 75,724.37, 104,501.75 and 43,461.77

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Solution

The fourth proportional to 75,724.37, 104,501.75 and 43,461.77 is: 59,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,724.37 : 104,501.75 = 43,461.77 : x
  2. Step 2: Convert to fraction form
    75,724.37/104,501.75 = 43,461.77/x
  3. Step 3: Cross multiply
    75,724.37x = 104,501.75 × 43,461.77
  4. Step 4: Simplify right side
    75,724.37x = 4,541,830,283.28
  5. Step 5: Solve for x
    x = 4,541,830,283.28/75,724.37
  6. Step 6: Final answer
    x = 59,978.45

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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.