Home / 53,690.95-74,069.20-34,563.87

Finding the Fourth Proportional to 53,690.95, 74,069.20 and 34,563.87

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Solution

The fourth proportional to 53,690.95, 74,069.20 and 34,563.87 is: 47,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.95 : 74,069.20 = 34,563.87 : x
  2. Step 2: Convert to fraction form
    53,690.95/74,069.20 = 34,563.87/x
  3. Step 3: Cross multiply
    53,690.95x = 74,069.20 × 34,563.87
  4. Step 4: Simplify right side
    53,690.95x = 2,560,118,199.80
  5. Step 5: Solve for x
    x = 2,560,118,199.80/53,690.95
  6. Step 6: Final answer
    x = 47,682.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.