Home / 49,690.72-74,510.40-14,625.84

Finding the Fourth Proportional to 49,690.72, 74,510.40 and 14,625.84

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Solution

The fourth proportional to 49,690.72, 74,510.40 and 14,625.84 is: 21,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,690.72 : 74,510.40 = 14,625.84 : x
  2. Step 2: Convert to fraction form
    49,690.72/74,510.40 = 14,625.84/x
  3. Step 3: Cross multiply
    49,690.72x = 74,510.40 × 14,625.84
  4. Step 4: Simplify right side
    49,690.72x = 1,089,777,188.74
  5. Step 5: Solve for x
    x = 1,089,777,188.74/49,690.72
  6. Step 6: Final answer
    x = 21,931.20

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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.