Home / 84,520.36-126,783.48-40,124.24

Finding the Fourth Proportional to 84,520.36, 126,783.48 and 40,124.24

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Solution

The fourth proportional to 84,520.36, 126,783.48 and 40,124.24 is: 60,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,520.36 : 126,783.48 = 40,124.24 : x
  2. Step 2: Convert to fraction form
    84,520.36/126,783.48 = 40,124.24/x
  3. Step 3: Cross multiply
    84,520.36x = 126,783.48 × 40,124.24
  4. Step 4: Simplify right side
    84,520.36x = 5,087,090,779.56
  5. Step 5: Solve for x
    x = 5,087,090,779.56/84,520.36
  6. Step 6: Final answer
    x = 60,187.76

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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.