Home / 45,561.35-68,352.03-13,975.76

Finding the Fourth Proportional to 45,561.35, 68,352.03 and 13,975.76

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Solution

The fourth proportional to 45,561.35, 68,352.03 and 13,975.76 is: 20,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,561.35 : 68,352.03 = 13,975.76 : x
  2. Step 2: Convert to fraction form
    45,561.35/68,352.03 = 13,975.76/x
  3. Step 3: Cross multiply
    45,561.35x = 68,352.03 × 13,975.76
  4. Step 4: Simplify right side
    45,561.35x = 955,271,225.03
  5. Step 5: Solve for x
    x = 955,271,225.03/45,561.35
  6. Step 6: Final answer
    x = 20,966.70

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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.