Home / 70,860.50-97,778.98-40,644.26

Finding the Fourth Proportional to 70,860.50, 97,778.98 and 40,644.26

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Solution

The fourth proportional to 70,860.50, 97,778.98 and 40,644.26 is: 56,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860.50 : 97,778.98 = 40,644.26 : x
  2. Step 2: Convert to fraction form
    70,860.50/97,778.98 = 40,644.26/x
  3. Step 3: Cross multiply
    70,860.50x = 97,778.98 × 40,644.26
  4. Step 4: Simplify right side
    70,860.50x = 3,974,154,285.65
  5. Step 5: Solve for x
    x = 3,974,154,285.65/70,860.50
  6. Step 6: Final answer
    x = 56,084.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.