Home / 53,999.43-74,534.85-31,343.51

Finding the Fourth Proportional to 53,999.43, 74,534.85 and 31,343.51

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Solution

The fourth proportional to 53,999.43, 74,534.85 and 31,343.51 is: 43,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.43 : 74,534.85 = 31,343.51 : x
  2. Step 2: Convert to fraction form
    53,999.43/74,534.85 = 31,343.51/x
  3. Step 3: Cross multiply
    53,999.43x = 74,534.85 × 31,343.51
  4. Step 4: Simplify right side
    53,999.43x = 2,336,183,443.65
  5. Step 5: Solve for x
    x = 2,336,183,443.65/53,999.43
  6. Step 6: Final answer
    x = 43,263.11

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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.