Home / 70,661.06-97,506.69-40,446.98

Finding the Fourth Proportional to 70,661.06, 97,506.69 and 40,446.98

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Solution

The fourth proportional to 70,661.06, 97,506.69 and 40,446.98 is: 55,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,661.06 : 97,506.69 = 40,446.98 : x
  2. Step 2: Convert to fraction form
    70,661.06/97,506.69 = 40,446.98/x
  3. Step 3: Cross multiply
    70,661.06x = 97,506.69 × 40,446.98
  4. Step 4: Simplify right side
    70,661.06x = 3,943,851,140.30
  5. Step 5: Solve for x
    x = 3,943,851,140.30/70,661.06
  6. Step 6: Final answer
    x = 55,813.64

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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.