Home / 46,645.20-70,113.60-45,770.40

Finding the Fourth Proportional to 46,645.20, 70,113.60 and 45,770.40

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Solution

The fourth proportional to 46,645.20, 70,113.60 and 45,770.40 is: 68,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,645.20 : 70,113.60 = 45,770.40 : x
  2. Step 2: Convert to fraction form
    46,645.20/70,113.60 = 45,770.40/x
  3. Step 3: Cross multiply
    46,645.20x = 70,113.60 × 45,770.40
  4. Step 4: Simplify right side
    46,645.20x = 3,209,127,517.44
  5. Step 5: Solve for x
    x = 3,209,127,517.44/46,645.20
  6. Step 6: Final answer
    x = 68,798.67

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1.5x scale

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.