Home / 70,661.28-97,507.98-40,446.84

Finding the Fourth Proportional to 70,661.28, 97,507.98 and 40,446.84

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Solution

The fourth proportional to 70,661.28, 97,507.98 and 40,446.84 is: 55,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,661.28 : 97,507.98 = 40,446.84 : x
  2. Step 2: Convert to fraction form
    70,661.28/97,507.98 = 40,446.84/x
  3. Step 3: Cross multiply
    70,661.28x = 97,507.98 × 40,446.84
  4. Step 4: Simplify right side
    70,661.28x = 3,943,889,665.78
  5. Step 5: Solve for x
    x = 3,943,889,665.78/70,661.28
  6. Step 6: Final answer
    x = 55,814.01

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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.