Home / 79,050.80-118,659.66-77,265.92

Finding the Fourth Proportional to 79,050.80, 118,659.66 and 77,265.92

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Solution

The fourth proportional to 79,050.80, 118,659.66 and 77,265.92 is: 115,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.80 : 118,659.66 = 77,265.92 : x
  2. Step 2: Convert to fraction form
    79,050.80/118,659.66 = 77,265.92/x
  3. Step 3: Cross multiply
    79,050.80x = 118,659.66 × 77,265.92
  4. Step 4: Simplify right side
    79,050.80x = 9,168,347,796.79
  5. Step 5: Solve for x
    x = 9,168,347,796.79/79,050.80
  6. Step 6: Final answer
    x = 115,980.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.