Home / 53,512.20-80,261.93-14,072.40

Finding the Fourth Proportional to 53,512.20, 80,261.93 and 14,072.40

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Solution

The fourth proportional to 53,512.20, 80,261.93 and 14,072.40 is: 21,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.20 : 80,261.93 = 14,072.40 : x
  2. Step 2: Convert to fraction form
    53,512.20/80,261.93 = 14,072.40/x
  3. Step 3: Cross multiply
    53,512.20x = 80,261.93 × 14,072.40
  4. Step 4: Simplify right side
    53,512.20x = 1,129,478,018.91
  5. Step 5: Solve for x
    x = 1,129,478,018.91/53,512.20
  6. Step 6: Final answer
    x = 21,106.93

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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.