Home / 45,849.61-68,784.31-14,259.05

Finding the Fourth Proportional to 45,849.61, 68,784.31 and 14,259.05

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Solution

The fourth proportional to 45,849.61, 68,784.31 and 14,259.05 is: 21,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,849.61 : 68,784.31 = 14,259.05 : x
  2. Step 2: Convert to fraction form
    45,849.61/68,784.31 = 14,259.05/x
  3. Step 3: Cross multiply
    45,849.61x = 68,784.31 × 14,259.05
  4. Step 4: Simplify right side
    45,849.61x = 980,798,847.35
  5. Step 5: Solve for x
    x = 980,798,847.35/45,849.61
  6. Step 6: Final answer
    x = 21,391.65

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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.