Home / 70,427.13-97,186.56-42,148.41

Finding the Fourth Proportional to 70,427.13, 97,186.56 and 42,148.41

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Solution

The fourth proportional to 70,427.13, 97,186.56 and 42,148.41 is: 58,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,427.13 : 97,186.56 = 42,148.41 : x
  2. Step 2: Convert to fraction form
    70,427.13/97,186.56 = 42,148.41/x
  3. Step 3: Cross multiply
    70,427.13x = 97,186.56 × 42,148.41
  4. Step 4: Simplify right side
    70,427.13x = 4,096,258,977.37
  5. Step 5: Solve for x
    x = 4,096,258,977.37/70,427.13
  6. Step 6: Final answer
    x = 58,163.08

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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.