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Finding the Fourth Proportional to 60,011.77, 90,074.16 and 30,450.82

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Solution

The fourth proportional to 60,011.77, 90,074.16 and 30,450.82 is: 45,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.77 : 90,074.16 = 30,450.82 : x
  2. Step 2: Convert to fraction form
    60,011.77/90,074.16 = 30,450.82/x
  3. Step 3: Cross multiply
    60,011.77x = 90,074.16 × 30,450.82
  4. Step 4: Simplify right side
    60,011.77x = 2,742,831,880.56
  5. Step 5: Solve for x
    x = 2,742,831,880.56/60,011.77
  6. Step 6: Final answer
    x = 45,704.90

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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.