Home / 76,916.54-115,387.01-32,543.63

Finding the Fourth Proportional to 76,916.54, 115,387.01 and 32,543.63

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Solution

The fourth proportional to 76,916.54, 115,387.01 and 32,543.63 is: 48,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916.54 : 115,387.01 = 32,543.63 : x
  2. Step 2: Convert to fraction form
    76,916.54/115,387.01 = 32,543.63/x
  3. Step 3: Cross multiply
    76,916.54x = 115,387.01 × 32,543.63
  4. Step 4: Simplify right side
    76,916.54x = 3,755,111,664.67
  5. Step 5: Solve for x
    x = 3,755,111,664.67/76,916.54
  6. Step 6: Final answer
    x = 48,820.60

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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.