Home / 79,317.08-118,741.86-69,475.58

Finding the Fourth Proportional to 79,317.08, 118,741.86 and 69,475.58

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Solution

The fourth proportional to 79,317.08, 118,741.86 and 69,475.58 is: 104,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,317.08 : 118,741.86 = 69,475.58 : x
  2. Step 2: Convert to fraction form
    79,317.08/118,741.86 = 69,475.58/x
  3. Step 3: Cross multiply
    79,317.08x = 118,741.86 × 69,475.58
  4. Step 4: Simplify right side
    79,317.08x = 8,249,659,000.07
  5. Step 5: Solve for x
    x = 8,249,659,000.07/79,317.08
  6. Step 6: Final answer
    x = 104,008.61

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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.