Home / 52,666.20-78,845.70-47,136.60

Finding the Fourth Proportional to 52,666.20, 78,845.70 and 47,136.60

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Solution

The fourth proportional to 52,666.20, 78,845.70 and 47,136.60 is: 70,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.20 : 78,845.70 = 47,136.60 : x
  2. Step 2: Convert to fraction form
    52,666.20/78,845.70 = 47,136.60/x
  3. Step 3: Cross multiply
    52,666.20x = 78,845.70 × 47,136.60
  4. Step 4: Simplify right side
    52,666.20x = 3,716,518,222.62
  5. Step 5: Solve for x
    x = 3,716,518,222.62/52,666.20
  6. Step 6: Final answer
    x = 70,567.43

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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.