Home / 97,884.47-135,069.18-57,589.40

Finding the Fourth Proportional to 97,884.47, 135,069.18 and 57,589.40

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Solution

The fourth proportional to 97,884.47, 135,069.18 and 57,589.40 is: 79,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,884.47 : 135,069.18 = 57,589.40 : x
  2. Step 2: Convert to fraction form
    97,884.47/135,069.18 = 57,589.40/x
  3. Step 3: Cross multiply
    97,884.47x = 135,069.18 × 57,589.40
  4. Step 4: Simplify right side
    97,884.47x = 7,778,553,034.69
  5. Step 5: Solve for x
    x = 7,778,553,034.69/97,884.47
  6. Step 6: Final answer
    x = 79,466.67

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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.