Home / 93,882.95-129,558.53-55,661.36

Finding the Fourth Proportional to 93,882.95, 129,558.53 and 55,661.36

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Solution

The fourth proportional to 93,882.95, 129,558.53 and 55,661.36 is: 76,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,882.95 : 129,558.53 = 55,661.36 : x
  2. Step 2: Convert to fraction form
    93,882.95/129,558.53 = 55,661.36/x
  3. Step 3: Cross multiply
    93,882.95x = 129,558.53 × 55,661.36
  4. Step 4: Simplify right side
    93,882.95x = 7,211,403,470.76
  5. Step 5: Solve for x
    x = 7,211,403,470.76/93,882.95
  6. Step 6: Final answer
    x = 76,812.71

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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.