Home / 70,583.40-97,405.25-38,754.35

Finding the Fourth Proportional to 70,583.40, 97,405.25 and 38,754.35

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Solution

The fourth proportional to 70,583.40, 97,405.25 and 38,754.35 is: 53,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,583.40 : 97,405.25 = 38,754.35 : x
  2. Step 2: Convert to fraction form
    70,583.40/97,405.25 = 38,754.35/x
  3. Step 3: Cross multiply
    70,583.40x = 97,405.25 × 38,754.35
  4. Step 4: Simplify right side
    70,583.40x = 3,774,877,150.34
  5. Step 5: Solve for x
    x = 3,774,877,150.34/70,583.40
  6. Step 6: Final answer
    x = 53,481.09

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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.