Home / 53,011.09-79,457.37-22,990.66

Finding the Fourth Proportional to 53,011.09, 79,457.37 and 22,990.66

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Solution

The fourth proportional to 53,011.09, 79,457.37 and 22,990.66 is: 34,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.09 : 79,457.37 = 22,990.66 : x
  2. Step 2: Convert to fraction form
    53,011.09/79,457.37 = 22,990.66/x
  3. Step 3: Cross multiply
    53,011.09x = 79,457.37 × 22,990.66
  4. Step 4: Simplify right side
    53,011.09x = 1,826,777,378.16
  5. Step 5: Solve for x
    x = 1,826,777,378.16/53,011.09
  6. Step 6: Final answer
    x = 34,460.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.