Home / 54,639.52-75,407.93-31,977.16

Finding the Fourth Proportional to 54,639.52, 75,407.93 and 31,977.16

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Solution

The fourth proportional to 54,639.52, 75,407.93 and 31,977.16 is: 44,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.52 : 75,407.93 = 31,977.16 : x
  2. Step 2: Convert to fraction form
    54,639.52/75,407.93 = 31,977.16/x
  3. Step 3: Cross multiply
    54,639.52x = 75,407.93 × 31,977.16
  4. Step 4: Simplify right side
    54,639.52x = 2,411,331,334.30
  5. Step 5: Solve for x
    x = 2,411,331,334.30/54,639.52
  6. Step 6: Final answer
    x = 44,131.64

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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.