Home / 45,432.57-68,155.34-14,270.25

Finding the Fourth Proportional to 45,432.57, 68,155.34 and 14,270.25

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Solution

The fourth proportional to 45,432.57, 68,155.34 and 14,270.25 is: 21,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.57 : 68,155.34 = 14,270.25 : x
  2. Step 2: Convert to fraction form
    45,432.57/68,155.34 = 14,270.25/x
  3. Step 3: Cross multiply
    45,432.57x = 68,155.34 × 14,270.25
  4. Step 4: Simplify right side
    45,432.57x = 972,593,669.28
  5. Step 5: Solve for x
    x = 972,593,669.28/45,432.57
  6. Step 6: Final answer
    x = 21,407.41

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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.