Home / 53,386.33-80,077.93-13,943.45

Finding the Fourth Proportional to 53,386.33, 80,077.93 and 13,943.45

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Solution

The fourth proportional to 53,386.33, 80,077.93 and 13,943.45 is: 20,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.33 : 80,077.93 = 13,943.45 : x
  2. Step 2: Convert to fraction form
    53,386.33/80,077.93 = 13,943.45/x
  3. Step 3: Cross multiply
    53,386.33x = 80,077.93 × 13,943.45
  4. Step 4: Simplify right side
    53,386.33x = 1,116,562,613.06
  5. Step 5: Solve for x
    x = 1,116,562,613.06/53,386.33
  6. Step 6: Final answer
    x = 20,914.77

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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.