Home / 53,722.80-74,116.23-31,057.62

Finding the Fourth Proportional to 53,722.80, 74,116.23 and 31,057.62

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Solution

The fourth proportional to 53,722.80, 74,116.23 and 31,057.62 is: 42,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.80 : 74,116.23 = 31,057.62 : x
  2. Step 2: Convert to fraction form
    53,722.80/74,116.23 = 31,057.62/x
  3. Step 3: Cross multiply
    53,722.80x = 74,116.23 × 31,057.62
  4. Step 4: Simplify right side
    53,722.80x = 2,301,873,917.77
  5. Step 5: Solve for x
    x = 2,301,873,917.77/53,722.80
  6. Step 6: Final answer
    x = 42,847.24

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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.