Home / 62,928.24-86,778.72-57,466.32

Finding the Fourth Proportional to 62,928.24, 86,778.72 and 57,466.32

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Solution

The fourth proportional to 62,928.24, 86,778.72 and 57,466.32 is: 79,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,928.24 : 86,778.72 = 57,466.32 : x
  2. Step 2: Convert to fraction form
    62,928.24/86,778.72 = 57,466.32/x
  3. Step 3: Cross multiply
    62,928.24x = 86,778.72 × 57,466.32
  4. Step 4: Simplify right side
    62,928.24x = 4,986,853,692.71
  5. Step 5: Solve for x
    x = 4,986,853,692.71/62,928.24
  6. Step 6: Final answer
    x = 79,246.67

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1.5x scale

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.