Home / 75,880.20-113,820.30-46,355.70

Finding the Fourth Proportional to 75,880.20, 113,820.30 and 46,355.70

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Solution

The fourth proportional to 75,880.20, 113,820.30 and 46,355.70 is: 69,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,880.20 : 113,820.30 = 46,355.70 : x
  2. Step 2: Convert to fraction form
    75,880.20/113,820.30 = 46,355.70/x
  3. Step 3: Cross multiply
    75,880.20x = 113,820.30 × 46,355.70
  4. Step 4: Simplify right side
    75,880.20x = 5,276,219,680.71
  5. Step 5: Solve for x
    x = 5,276,219,680.71/75,880.20
  6. Step 6: Final answer
    x = 69,533.55

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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.