Home / 46,647.20-70,116.60-45,772.40

Finding the Fourth Proportional to 46,647.20, 70,116.60 and 45,772.40

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Solution

The fourth proportional to 46,647.20, 70,116.60 and 45,772.40 is: 68,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,647.20 : 70,116.60 = 45,772.40 : x
  2. Step 2: Convert to fraction form
    46,647.20/70,116.60 = 45,772.40/x
  3. Step 3: Cross multiply
    46,647.20x = 70,116.60 × 45,772.40
  4. Step 4: Simplify right side
    46,647.20x = 3,209,405,061.84
  5. Step 5: Solve for x
    x = 3,209,405,061.84/46,647.20
  6. Step 6: Final answer
    x = 68,801.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.