Home / 97,354.56-134,362.74-57,078.24

Finding the Fourth Proportional to 97,354.56, 134,362.74 and 57,078.24

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Solution

The fourth proportional to 97,354.56, 134,362.74 and 57,078.24 is: 78,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,354.56 : 134,362.74 = 57,078.24 : x
  2. Step 2: Convert to fraction form
    97,354.56/134,362.74 = 57,078.24/x
  3. Step 3: Cross multiply
    97,354.56x = 134,362.74 × 57,078.24
  4. Step 4: Simplify right side
    97,354.56x = 7,669,188,720.78
  5. Step 5: Solve for x
    x = 7,669,188,720.78/97,354.56
  6. Step 6: Final answer
    x = 78,775.86

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1.5x scale

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.