Home / 115,756.02-159,732.81-73,313.64

Finding the Fourth Proportional to 115,756.02, 159,732.81 and 73,313.64

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Solution

The fourth proportional to 115,756.02, 159,732.81 and 73,313.64 is: 101,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,756.02 : 159,732.81 = 73,313.64 : x
  2. Step 2: Convert to fraction form
    115,756.02/159,732.81 = 73,313.64/x
  3. Step 3: Cross multiply
    115,756.02x = 159,732.81 × 73,313.64
  4. Step 4: Simplify right side
    115,756.02x = 11,710,593,728.53
  5. Step 5: Solve for x
    x = 11,710,593,728.53/115,756.02
  6. Step 6: Final answer
    x = 101,166.17

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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.