Home / 90,317.64-124,636.78-50,030.56

Finding the Fourth Proportional to 90,317.64, 124,636.78 and 50,030.56

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Solution

The fourth proportional to 90,317.64, 124,636.78 and 50,030.56 is: 69,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,317.64 : 124,636.78 = 50,030.56 : x
  2. Step 2: Convert to fraction form
    90,317.64/124,636.78 = 50,030.56/x
  3. Step 3: Cross multiply
    90,317.64x = 124,636.78 × 50,030.56
  4. Step 4: Simplify right side
    90,317.64x = 6,235,647,900.00
  5. Step 5: Solve for x
    x = 6,235,647,900.00/90,317.64
  6. Step 6: Final answer
    x = 69,041.31

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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.