Home / 101,360.54-139,899.75-58,943.54

Finding the Fourth Proportional to 101,360.54, 139,899.75 and 58,943.54

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Solution

The fourth proportional to 101,360.54, 139,899.75 and 58,943.54 is: 81,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,360.54 : 139,899.75 = 58,943.54 : x
  2. Step 2: Convert to fraction form
    101,360.54/139,899.75 = 58,943.54/x
  3. Step 3: Cross multiply
    101,360.54x = 139,899.75 × 58,943.54
  4. Step 4: Simplify right side
    101,360.54x = 8,246,186,510.12
  5. Step 5: Solve for x
    x = 8,246,186,510.12/101,360.54
  6. Step 6: Final answer
    x = 81,355.00

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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.