Home / 58,742.40-88,122.81-19,290.54

Finding the Fourth Proportional to 58,742.40, 88,122.81 and 19,290.54

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Solution

The fourth proportional to 58,742.40, 88,122.81 and 19,290.54 is: 28,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.40 : 88,122.81 = 19,290.54 : x
  2. Step 2: Convert to fraction form
    58,742.40/88,122.81 = 19,290.54/x
  3. Step 3: Cross multiply
    58,742.40x = 88,122.81 × 19,290.54
  4. Step 4: Simplify right side
    58,742.40x = 1,699,936,591.22
  5. Step 5: Solve for x
    x = 1,699,936,591.22/58,742.40
  6. Step 6: Final answer
    x = 28,938.83

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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.