Home / 70,399.20-97,141.68-42,094.56

Finding the Fourth Proportional to 70,399.20, 97,141.68 and 42,094.56

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Solution

The fourth proportional to 70,399.20, 97,141.68 and 42,094.56 is: 58,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,399.20 : 97,141.68 = 42,094.56 : x
  2. Step 2: Convert to fraction form
    70,399.20/97,141.68 = 42,094.56/x
  3. Step 3: Cross multiply
    70,399.20x = 97,141.68 × 42,094.56
  4. Step 4: Simplify right side
    70,399.20x = 4,089,136,277.26
  5. Step 5: Solve for x
    x = 4,089,136,277.26/70,399.20
  6. Step 6: Final answer
    x = 58,084.98

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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.