Home / 70,905.30-97,848.86-39,074.24

Finding the Fourth Proportional to 70,905.30, 97,848.86 and 39,074.24

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Solution

The fourth proportional to 70,905.30, 97,848.86 and 39,074.24 is: 53,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.30 : 97,848.86 = 39,074.24 : x
  2. Step 2: Convert to fraction form
    70,905.30/97,848.86 = 39,074.24/x
  3. Step 3: Cross multiply
    70,905.30x = 97,848.86 × 39,074.24
  4. Step 4: Simplify right side
    70,905.30x = 3,823,369,154.75
  5. Step 5: Solve for x
    x = 3,823,369,154.75/70,905.30
  6. Step 6: Final answer
    x = 53,922.19

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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.