Home / 53,411.49-80,110.26-13,971.63

Finding the Fourth Proportional to 53,411.49, 80,110.26 and 13,971.63

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Solution

The fourth proportional to 53,411.49, 80,110.26 and 13,971.63 is: 20,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,411.49 : 80,110.26 = 13,971.63 : x
  2. Step 2: Convert to fraction form
    53,411.49/80,110.26 = 13,971.63/x
  3. Step 3: Cross multiply
    53,411.49x = 80,110.26 × 13,971.63
  4. Step 4: Simplify right side
    53,411.49x = 1,119,270,911.92
  5. Step 5: Solve for x
    x = 1,119,270,911.92/53,411.49
  6. Step 6: Final answer
    x = 20,955.62

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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.