Home / 65,030.58-97,443.81-38,720.97

Finding the Fourth Proportional to 65,030.58, 97,443.81 and 38,720.97

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Solution

The fourth proportional to 65,030.58, 97,443.81 and 38,720.97 is: 58,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,030.58 : 97,443.81 = 38,720.97 : x
  2. Step 2: Convert to fraction form
    65,030.58/97,443.81 = 38,720.97/x
  3. Step 3: Cross multiply
    65,030.58x = 97,443.81 × 38,720.97
  4. Step 4: Simplify right side
    65,030.58x = 3,773,118,843.70
  5. Step 5: Solve for x
    x = 3,773,118,843.70/65,030.58
  6. Step 6: Final answer
    x = 58,020.69

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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.