Home / 70,321.57-97,040.03-38,484.32

Finding the Fourth Proportional to 70,321.57, 97,040.03 and 38,484.32

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Solution

The fourth proportional to 70,321.57, 97,040.03 and 38,484.32 is: 53,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.57 : 97,040.03 = 38,484.32 : x
  2. Step 2: Convert to fraction form
    70,321.57/97,040.03 = 38,484.32/x
  3. Step 3: Cross multiply
    70,321.57x = 97,040.03 × 38,484.32
  4. Step 4: Simplify right side
    70,321.57x = 3,734,518,889.71
  5. Step 5: Solve for x
    x = 3,734,518,889.71/70,321.57
  6. Step 6: Final answer
    x = 53,106.31

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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.