Home / 51,827.40-77,643.90-48,328.20

Finding the Fourth Proportional to 51,827.40, 77,643.90 and 48,328.20

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Solution

The fourth proportional to 51,827.40, 77,643.90 and 48,328.20 is: 72,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,827.40 : 77,643.90 = 48,328.20 : x
  2. Step 2: Convert to fraction form
    51,827.40/77,643.90 = 48,328.20/x
  3. Step 3: Cross multiply
    51,827.40x = 77,643.90 × 48,328.20
  4. Step 4: Simplify right side
    51,827.40x = 3,752,389,927.98
  5. Step 5: Solve for x
    x = 3,752,389,927.98/51,827.40
  6. Step 6: Final answer
    x = 72,401.66

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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.