Home / 79,293.89-109,430.63-52,389.26

Finding the Fourth Proportional to 79,293.89, 109,430.63 and 52,389.26

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Solution

The fourth proportional to 79,293.89, 109,430.63 and 52,389.26 is: 72,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293.89 : 109,430.63 = 52,389.26 : x
  2. Step 2: Convert to fraction form
    79,293.89/109,430.63 = 52,389.26/x
  3. Step 3: Cross multiply
    79,293.89x = 109,430.63 × 52,389.26
  4. Step 4: Simplify right side
    79,293.89x = 5,732,988,917.93
  5. Step 5: Solve for x
    x = 5,732,988,917.93/79,293.89
  6. Step 6: Final answer
    x = 72,300.52

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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.