Home / 53,736.37-74,157.69-31,073.18

Finding the Fourth Proportional to 53,736.37, 74,157.69 and 31,073.18

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Solution

The fourth proportional to 53,736.37, 74,157.69 and 31,073.18 is: 42,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,736.37 : 74,157.69 = 31,073.18 : x
  2. Step 2: Convert to fraction form
    53,736.37/74,157.69 = 31,073.18/x
  3. Step 3: Cross multiply
    53,736.37x = 74,157.69 × 31,073.18
  4. Step 4: Simplify right side
    53,736.37x = 2,304,314,995.49
  5. Step 5: Solve for x
    x = 2,304,314,995.49/53,736.37
  6. Step 6: Final answer
    x = 42,881.85

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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.