Home / 53,518.47-80,271.63-14,078.63

Finding the Fourth Proportional to 53,518.47, 80,271.63 and 14,078.63

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Solution

The fourth proportional to 53,518.47, 80,271.63 and 14,078.63 is: 21,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.47 : 80,271.63 = 14,078.63 : x
  2. Step 2: Convert to fraction form
    53,518.47/80,271.63 = 14,078.63/x
  3. Step 3: Cross multiply
    53,518.47x = 80,271.63 × 14,078.63
  4. Step 4: Simplify right side
    53,518.47x = 1,130,114,176.91
  5. Step 5: Solve for x
    x = 1,130,114,176.91/53,518.47
  6. Step 6: Final answer
    x = 21,116.34

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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.