Home / 51,376.50-77,064.75-14,440.50

Finding the Fourth Proportional to 51,376.50, 77,064.75 and 14,440.50

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Solution

The fourth proportional to 51,376.50, 77,064.75 and 14,440.50 is: 21,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,376.50 : 77,064.75 = 14,440.50 : x
  2. Step 2: Convert to fraction form
    51,376.50/77,064.75 = 14,440.50/x
  3. Step 3: Cross multiply
    51,376.50x = 77,064.75 × 14,440.50
  4. Step 4: Simplify right side
    51,376.50x = 1,112,853,522.38
  5. Step 5: Solve for x
    x = 1,112,853,522.38/51,376.50
  6. Step 6: Final answer
    x = 21,660.75

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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.