Home / 80,771.10-111,454.02-46,779.05

Finding the Fourth Proportional to 80,771.10, 111,454.02 and 46,779.05

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Solution

The fourth proportional to 80,771.10, 111,454.02 and 46,779.05 is: 64,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,771.10 : 111,454.02 = 46,779.05 : x
  2. Step 2: Convert to fraction form
    80,771.10/111,454.02 = 46,779.05/x
  3. Step 3: Cross multiply
    80,771.10x = 111,454.02 × 46,779.05
  4. Step 4: Simplify right side
    80,771.10x = 5,213,713,174.28
  5. Step 5: Solve for x
    x = 5,213,713,174.28/80,771.10
  6. Step 6: Final answer
    x = 64,549.24

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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.