Home / 70,419.34-97,181.05-38,587.96

Finding the Fourth Proportional to 70,419.34, 97,181.05 and 38,587.96

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Solution

The fourth proportional to 70,419.34, 97,181.05 and 38,587.96 is: 53,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,419.34 : 97,181.05 = 38,587.96 : x
  2. Step 2: Convert to fraction form
    70,419.34/97,181.05 = 38,587.96/x
  3. Step 3: Cross multiply
    70,419.34x = 97,181.05 × 38,587.96
  4. Step 4: Simplify right side
    70,419.34x = 3,750,017,984.25
  5. Step 5: Solve for x
    x = 3,750,017,984.25/70,419.34
  6. Step 6: Final answer
    x = 53,252.68

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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.