Home / 70,499.16-97,289.64-38,671.56

Finding the Fourth Proportional to 70,499.16, 97,289.64 and 38,671.56

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Solution

The fourth proportional to 70,499.16, 97,289.64 and 38,671.56 is: 53,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,499.16 : 97,289.64 = 38,671.56 : x
  2. Step 2: Convert to fraction form
    70,499.16/97,289.64 = 38,671.56/x
  3. Step 3: Cross multiply
    70,499.16x = 97,289.64 × 38,671.56
  4. Step 4: Simplify right side
    70,499.16x = 3,762,342,150.64
  5. Step 5: Solve for x
    x = 3,762,342,150.64/70,499.16
  6. Step 6: Final answer
    x = 53,367.19

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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.