Home / 76,903.02-115,369.92-32,529.60

Finding the Fourth Proportional to 76,903.02, 115,369.92 and 32,529.60

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Solution

The fourth proportional to 76,903.02, 115,369.92 and 32,529.60 is: 48,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,903.02 : 115,369.92 = 32,529.60 : x
  2. Step 2: Convert to fraction form
    76,903.02/115,369.92 = 32,529.60/x
  3. Step 3: Cross multiply
    76,903.02x = 115,369.92 × 32,529.60
  4. Step 4: Simplify right side
    76,903.02x = 3,752,937,349.63
  5. Step 5: Solve for x
    x = 3,752,937,349.63/76,903.02
  6. Step 6: Final answer
    x = 48,800.91

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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.