Home / 97,719.36-146,598.48-31,157.34

Finding the Fourth Proportional to 97,719.36, 146,598.48 and 31,157.34

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Solution

The fourth proportional to 97,719.36, 146,598.48 and 31,157.34 is: 46,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.36 : 146,598.48 = 31,157.34 : x
  2. Step 2: Convert to fraction form
    97,719.36/146,598.48 = 31,157.34/x
  3. Step 3: Cross multiply
    97,719.36x = 146,598.48 × 31,157.34
  4. Step 4: Simplify right side
    97,719.36x = 4,567,618,684.84
  5. Step 5: Solve for x
    x = 4,567,618,684.84/97,719.36
  6. Step 6: Final answer
    x = 46,742.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.