Home / 70,901.01-97,839.36-40,683.42

Finding the Fourth Proportional to 70,901.01, 97,839.36 and 40,683.42

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Solution

The fourth proportional to 70,901.01, 97,839.36 and 40,683.42 is: 56,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,901.01 : 97,839.36 = 40,683.42 : x
  2. Step 2: Convert to fraction form
    70,901.01/97,839.36 = 40,683.42/x
  3. Step 3: Cross multiply
    70,901.01x = 97,839.36 × 40,683.42
  4. Step 4: Simplify right side
    70,901.01x = 3,980,439,775.41
  5. Step 5: Solve for x
    x = 3,980,439,775.41/70,901.01
  6. Step 6: Final answer
    x = 56,140.80

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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.