Home / 90,783.15-125,277.73-50,495.77

Finding the Fourth Proportional to 90,783.15, 125,277.73 and 50,495.77

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Solution

The fourth proportional to 90,783.15, 125,277.73 and 50,495.77 is: 69,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,783.15 : 125,277.73 = 50,495.77 : x
  2. Step 2: Convert to fraction form
    90,783.15/125,277.73 = 50,495.77/x
  3. Step 3: Cross multiply
    90,783.15x = 125,277.73 × 50,495.77
  4. Step 4: Simplify right side
    90,783.15x = 6,325,995,440.20
  5. Step 5: Solve for x
    x = 6,325,995,440.20/90,783.15
  6. Step 6: Final answer
    x = 69,682.48

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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.