Home / 52,453.85-78,681.34-41,990.40

Finding the Fourth Proportional to 52,453.85, 78,681.34 and 41,990.40

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Solution

The fourth proportional to 52,453.85, 78,681.34 and 41,990.40 is: 62,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.85 : 78,681.34 = 41,990.40 : x
  2. Step 2: Convert to fraction form
    52,453.85/78,681.34 = 41,990.40/x
  3. Step 3: Cross multiply
    52,453.85x = 78,681.34 × 41,990.40
  4. Step 4: Simplify right side
    52,453.85x = 3,303,860,834.16
  5. Step 5: Solve for x
    x = 3,303,860,834.16/52,453.85
  6. Step 6: Final answer
    x = 62,986.05

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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.