Home / 98,322.31-135,679.55-58,021.37

Finding the Fourth Proportional to 98,322.31, 135,679.55 and 58,021.37

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Solution

The fourth proportional to 98,322.31, 135,679.55 and 58,021.37 is: 80,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,322.31 : 135,679.55 = 58,021.37 : x
  2. Step 2: Convert to fraction form
    98,322.31/135,679.55 = 58,021.37/x
  3. Step 3: Cross multiply
    98,322.31x = 135,679.55 × 58,021.37
  4. Step 4: Simplify right side
    98,322.31x = 7,872,312,838.64
  5. Step 5: Solve for x
    x = 7,872,312,838.64/98,322.31
  6. Step 6: Final answer
    x = 80,066.40

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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.