Home / 97,329.51-134,327.61-57,059.10

Finding the Fourth Proportional to 97,329.51, 134,327.61 and 57,059.10

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Solution

The fourth proportional to 97,329.51, 134,327.61 and 57,059.10 is: 78,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,329.51 : 134,327.61 = 57,059.10 : x
  2. Step 2: Convert to fraction form
    97,329.51/134,327.61 = 57,059.10/x
  3. Step 3: Cross multiply
    97,329.51x = 134,327.61 × 57,059.10
  4. Step 4: Simplify right side
    97,329.51x = 7,664,612,531.75
  5. Step 5: Solve for x
    x = 7,664,612,531.75/97,329.51
  6. Step 6: Final answer
    x = 78,749.11

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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.