Home / 70,661.23-97,506.79-40,439.66

Finding the Fourth Proportional to 70,661.23, 97,506.79 and 40,439.66

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Solution

The fourth proportional to 70,661.23, 97,506.79 and 40,439.66 is: 55,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,661.23 : 97,506.79 = 40,439.66 : x
  2. Step 2: Convert to fraction form
    70,661.23/97,506.79 = 40,439.66/x
  3. Step 3: Cross multiply
    70,661.23x = 97,506.79 × 40,439.66
  4. Step 4: Simplify right side
    70,661.23x = 3,943,140,846.66
  5. Step 5: Solve for x
    x = 3,943,140,846.66/70,661.23
  6. Step 6: Final answer
    x = 55,803.46

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1.5x scale

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.