Home / 82,847.08-114,329.10-45,121.48

Finding the Fourth Proportional to 82,847.08, 114,329.10 and 45,121.48

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Solution

The fourth proportional to 82,847.08, 114,329.10 and 45,121.48 is: 62,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,847.08 : 114,329.10 = 45,121.48 : x
  2. Step 2: Convert to fraction form
    82,847.08/114,329.10 = 45,121.48/x
  3. Step 3: Cross multiply
    82,847.08x = 114,329.10 × 45,121.48
  4. Step 4: Simplify right side
    82,847.08x = 5,158,698,199.07
  5. Step 5: Solve for x
    x = 5,158,698,199.07/82,847.08
  6. Step 6: Final answer
    x = 62,267.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.