Home / 76,890.83-115,280.88-47,247.41

Finding the Fourth Proportional to 76,890.83, 115,280.88 and 47,247.41

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Solution

The fourth proportional to 76,890.83, 115,280.88 and 47,247.41 is: 70,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,890.83 : 115,280.88 = 47,247.41 : x
  2. Step 2: Convert to fraction form
    76,890.83/115,280.88 = 47,247.41/x
  3. Step 3: Cross multiply
    76,890.83x = 115,280.88 × 47,247.41
  4. Step 4: Simplify right side
    76,890.83x = 5,446,723,113.55
  5. Step 5: Solve for x
    x = 5,446,723,113.55/76,890.83
  6. Step 6: Final answer
    x = 70,837.10

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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.