Home / 94,788.36-130,807.62-57,064.68

Finding the Fourth Proportional to 94,788.36, 130,807.62 and 57,064.68

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Solution

The fourth proportional to 94,788.36, 130,807.62 and 57,064.68 is: 78,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,788.36 : 130,807.62 = 57,064.68 : x
  2. Step 2: Convert to fraction form
    94,788.36/130,807.62 = 57,064.68/x
  3. Step 3: Cross multiply
    94,788.36x = 130,807.62 × 57,064.68
  4. Step 4: Simplify right side
    94,788.36x = 7,464,494,976.86
  5. Step 5: Solve for x
    x = 7,464,494,976.86/94,788.36
  6. Step 6: Final answer
    x = 78,749.07

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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.