Home / 53,880.16-80,435.21-50,322.64

Finding the Fourth Proportional to 53,880.16, 80,435.21 and 50,322.64

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Solution

The fourth proportional to 53,880.16, 80,435.21 and 50,322.64 is: 75,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.16 : 80,435.21 = 50,322.64 : x
  2. Step 2: Convert to fraction form
    53,880.16/80,435.21 = 50,322.64/x
  3. Step 3: Cross multiply
    53,880.16x = 80,435.21 × 50,322.64
  4. Step 4: Simplify right side
    53,880.16x = 4,047,712,116.15
  5. Step 5: Solve for x
    x = 4,047,712,116.15/53,880.16
  6. Step 6: Final answer
    x = 75,124.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.