Home / 80,877.64-111,611.40-46,892.80

Finding the Fourth Proportional to 80,877.64, 111,611.40 and 46,892.80

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Solution

The fourth proportional to 80,877.64, 111,611.40 and 46,892.80 is: 64,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,877.64 : 111,611.40 = 46,892.80 : x
  2. Step 2: Convert to fraction form
    80,877.64/111,611.40 = 46,892.80/x
  3. Step 3: Cross multiply
    80,877.64x = 111,611.40 × 46,892.80
  4. Step 4: Simplify right side
    80,877.64x = 5,233,771,057.92
  5. Step 5: Solve for x
    x = 5,233,771,057.92/80,877.64
  6. Step 6: Final answer
    x = 64,712.21

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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.