Home / 97,820.96-135,025.08-57,533

Finding the Fourth Proportional to 97,820.96, 135,025.08 and 57,533

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Solution

The fourth proportional to 97,820.96, 135,025.08 and 57,533 is: 79,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,820.96 : 135,025.08 = 57,533 : x
  2. Step 2: Convert to fraction form
    97,820.96/135,025.08 = 57,533/x
  3. Step 3: Cross multiply
    97,820.96x = 135,025.08 × 57,533
  4. Step 4: Simplify right side
    97,820.96x = 7,768,397,927.64
  5. Step 5: Solve for x
    x = 7,768,397,927.64/97,820.96
  6. Step 6: Final answer
    x = 79,414.45

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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.