Home / 53,976.20-74,467.54-31,302.68

Finding the Fourth Proportional to 53,976.20, 74,467.54 and 31,302.68

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Solution

The fourth proportional to 53,976.20, 74,467.54 and 31,302.68 is: 43,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.20 : 74,467.54 = 31,302.68 : x
  2. Step 2: Convert to fraction form
    53,976.20/74,467.54 = 31,302.68/x
  3. Step 3: Cross multiply
    53,976.20x = 74,467.54 × 31,302.68
  4. Step 4: Simplify right side
    53,976.20x = 2,331,033,575.01
  5. Step 5: Solve for x
    x = 2,331,033,575.01/53,976.20
  6. Step 6: Final answer
    x = 43,186.32

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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.