Home / 62,619.57-86,428.08-57,575.84

Finding the Fourth Proportional to 62,619.57, 86,428.08 and 57,575.84

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Solution

The fourth proportional to 62,619.57, 86,428.08 and 57,575.84 is: 79,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,619.57 : 86,428.08 = 57,575.84 : x
  2. Step 2: Convert to fraction form
    62,619.57/86,428.08 = 57,575.84/x
  3. Step 3: Cross multiply
    62,619.57x = 86,428.08 × 57,575.84
  4. Step 4: Simplify right side
    62,619.57x = 4,976,168,873.45
  5. Step 5: Solve for x
    x = 4,976,168,873.45/62,619.57
  6. Step 6: Final answer
    x = 79,466.67

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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.