Home / 53,973.16-80,888.66-30,280.25

Finding the Fourth Proportional to 53,973.16, 80,888.66 and 30,280.25

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Solution

The fourth proportional to 53,973.16, 80,888.66 and 30,280.25 is: 45,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973.16 : 80,888.66 = 30,280.25 : x
  2. Step 2: Convert to fraction form
    53,973.16/80,888.66 = 30,280.25/x
  3. Step 3: Cross multiply
    53,973.16x = 80,888.66 × 30,280.25
  4. Step 4: Simplify right side
    53,973.16x = 2,449,328,695.56
  5. Step 5: Solve for x
    x = 2,449,328,695.56/53,973.16
  6. Step 6: Final answer
    x = 45,380.50

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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.