Home / 83,348.19-115,039.24-53,127.50

Finding the Fourth Proportional to 83,348.19, 115,039.24 and 53,127.50

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Solution

The fourth proportional to 83,348.19, 115,039.24 and 53,127.50 is: 73,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,348.19 : 115,039.24 = 53,127.50 : x
  2. Step 2: Convert to fraction form
    83,348.19/115,039.24 = 53,127.50/x
  3. Step 3: Cross multiply
    83,348.19x = 115,039.24 × 53,127.50
  4. Step 4: Simplify right side
    83,348.19x = 6,111,746,515.09
  5. Step 5: Solve for x
    x = 6,111,746,515.09/83,348.19
  6. Step 6: Final answer
    x = 73,327.89

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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.