Home / 90,254.41-124,550.43-54,464.15

Finding the Fourth Proportional to 90,254.41, 124,550.43 and 54,464.15

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Solution

The fourth proportional to 90,254.41, 124,550.43 and 54,464.15 is: 75,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254.41 : 124,550.43 = 54,464.15 : x
  2. Step 2: Convert to fraction form
    90,254.41/124,550.43 = 54,464.15/x
  3. Step 3: Cross multiply
    90,254.41x = 124,550.43 × 54,464.15
  4. Step 4: Simplify right side
    90,254.41x = 6,783,533,409.22
  5. Step 5: Solve for x
    x = 6,783,533,409.22/90,254.41
  6. Step 6: Final answer
    x = 75,160.13

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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.