Home / 45,567.34-68,361.04-13,981.76

Finding the Fourth Proportional to 45,567.34, 68,361.04 and 13,981.76

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Solution

The fourth proportional to 45,567.34, 68,361.04 and 13,981.76 is: 20,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,567.34 : 68,361.04 = 13,981.76 : x
  2. Step 2: Convert to fraction form
    45,567.34/68,361.04 = 13,981.76/x
  3. Step 3: Cross multiply
    45,567.34x = 68,361.04 × 13,981.76
  4. Step 4: Simplify right side
    45,567.34x = 955,807,654.63
  5. Step 5: Solve for x
    x = 955,807,654.63/45,567.34
  6. Step 6: Final answer
    x = 20,975.72

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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.