Home / 85,525.20-128,268.36-41,124.24

Finding the Fourth Proportional to 85,525.20, 128,268.36 and 41,124.24

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Solution

The fourth proportional to 85,525.20, 128,268.36 and 41,124.24 is: 61,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.20 : 128,268.36 = 41,124.24 : x
  2. Step 2: Convert to fraction form
    85,525.20/128,268.36 = 41,124.24/x
  3. Step 3: Cross multiply
    85,525.20x = 128,268.36 × 41,124.24
  4. Step 4: Simplify right side
    85,525.20x = 5,274,938,821.05
  5. Step 5: Solve for x
    x = 5,274,938,821.05/85,525.20
  6. Step 6: Final answer
    x = 61,677.01

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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.