Home / 107,836.71-148,815.25-62,541.54

Finding the Fourth Proportional to 107,836.71, 148,815.25 and 62,541.54

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Solution

The fourth proportional to 107,836.71, 148,815.25 and 62,541.54 is: 86,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836.71 : 148,815.25 = 62,541.54 : x
  2. Step 2: Convert to fraction form
    107,836.71/148,815.25 = 62,541.54/x
  3. Step 3: Cross multiply
    107,836.71x = 148,815.25 × 62,541.54
  4. Step 4: Simplify right side
    107,836.71x = 9,307,134,597.78
  5. Step 5: Solve for x
    x = 9,307,134,597.78/107,836.71
  6. Step 6: Final answer
    x = 86,307.67

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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.