Home / 79,188.60-118,681.32-32,385.72

Finding the Fourth Proportional to 79,188.60, 118,681.32 and 32,385.72

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Solution

The fourth proportional to 79,188.60, 118,681.32 and 32,385.72 is: 48,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,188.60 : 118,681.32 = 32,385.72 : x
  2. Step 2: Convert to fraction form
    79,188.60/118,681.32 = 32,385.72/x
  3. Step 3: Cross multiply
    79,188.60x = 118,681.32 × 32,385.72
  4. Step 4: Simplify right side
    79,188.60x = 3,843,579,998.75
  5. Step 5: Solve for x
    x = 3,843,579,998.75/79,188.60
  6. Step 6: Final answer
    x = 48,537.04

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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.