Home / 83,824.47-115,678.63-48,013.76

Finding the Fourth Proportional to 83,824.47, 115,678.63 and 48,013.76

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Solution

The fourth proportional to 83,824.47, 115,678.63 and 48,013.76 is: 66,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,824.47 : 115,678.63 = 48,013.76 : x
  2. Step 2: Convert to fraction form
    83,824.47/115,678.63 = 48,013.76/x
  3. Step 3: Cross multiply
    83,824.47x = 115,678.63 × 48,013.76
  4. Step 4: Simplify right side
    83,824.47x = 5,554,166,327.16
  5. Step 5: Solve for x
    x = 5,554,166,327.16/83,824.47
  6. Step 6: Final answer
    x = 66,259.49

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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.