Home / 70,817.53-106,173.23-42,730.94

Finding the Fourth Proportional to 70,817.53, 106,173.23 and 42,730.94

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Solution

The fourth proportional to 70,817.53, 106,173.23 and 42,730.94 is: 64,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,817.53 : 106,173.23 = 42,730.94 : x
  2. Step 2: Convert to fraction form
    70,817.53/106,173.23 = 42,730.94/x
  3. Step 3: Cross multiply
    70,817.53x = 106,173.23 × 42,730.94
  4. Step 4: Simplify right side
    70,817.53x = 4,536,882,212.88
  5. Step 5: Solve for x
    x = 4,536,882,212.88/70,817.53
  6. Step 6: Final answer
    x = 64,064.40

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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.