Home / 101,418.23-139,947.73-56,095.23

Finding the Fourth Proportional to 101,418.23, 139,947.73 and 56,095.23

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Solution

The fourth proportional to 101,418.23, 139,947.73 and 56,095.23 is: 77,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,418.23 : 139,947.73 = 56,095.23 : x
  2. Step 2: Convert to fraction form
    101,418.23/139,947.73 = 56,095.23/x
  3. Step 3: Cross multiply
    101,418.23x = 139,947.73 × 56,095.23
  4. Step 4: Simplify right side
    101,418.23x = 7,850,400,802.43
  5. Step 5: Solve for x
    x = 7,850,400,802.43/101,418.23
  6. Step 6: Final answer
    x = 77,406.21

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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.