Home / 53,813.64-74,261.67-31,153.59

Finding the Fourth Proportional to 53,813.64, 74,261.67 and 31,153.59

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Solution

The fourth proportional to 53,813.64, 74,261.67 and 31,153.59 is: 42,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.64 : 74,261.67 = 31,153.59 : x
  2. Step 2: Convert to fraction form
    53,813.64/74,261.67 = 31,153.59/x
  3. Step 3: Cross multiply
    53,813.64x = 74,261.67 × 31,153.59
  4. Step 4: Simplify right side
    53,813.64x = 2,313,517,464.13
  5. Step 5: Solve for x
    x = 2,313,517,464.13/53,813.64
  6. Step 6: Final answer
    x = 42,991.28

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1.5x scale

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.