Home / 72,927.54-100,649.17-42,724.39

Finding the Fourth Proportional to 72,927.54, 100,649.17 and 42,724.39

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Solution

The fourth proportional to 72,927.54, 100,649.17 and 42,724.39 is: 58,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.54 : 100,649.17 = 42,724.39 : x
  2. Step 2: Convert to fraction form
    72,927.54/100,649.17 = 42,724.39/x
  3. Step 3: Cross multiply
    72,927.54x = 100,649.17 × 42,724.39
  4. Step 4: Simplify right side
    72,927.54x = 4,300,174,392.26
  5. Step 5: Solve for x
    x = 4,300,174,392.26/72,927.54
  6. Step 6: Final answer
    x = 58,965.03

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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.