Home / 113,318.04-169,977-53,973.78

Finding the Fourth Proportional to 113,318.04, 169,977 and 53,973.78

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Solution

The fourth proportional to 113,318.04, 169,977 and 53,973.78 is: 80,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.04 : 169,977 = 53,973.78 : x
  2. Step 2: Convert to fraction form
    113,318.04/169,977 = 53,973.78/x
  3. Step 3: Cross multiply
    113,318.04x = 169,977 × 53,973.78
  4. Step 4: Simplify right side
    113,318.04x = 9,174,301,203.06
  5. Step 5: Solve for x
    x = 9,174,301,203.06/113,318.04
  6. Step 6: Final answer
    x = 80,960.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.