Home / 76,875.60-115,325.28-32,502.54

Finding the Fourth Proportional to 76,875.60, 115,325.28 and 32,502.54

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Solution

The fourth proportional to 76,875.60, 115,325.28 and 32,502.54 is: 48,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,875.60 : 115,325.28 = 32,502.54 : x
  2. Step 2: Convert to fraction form
    76,875.60/115,325.28 = 32,502.54/x
  3. Step 3: Cross multiply
    76,875.60x = 115,325.28 × 32,502.54
  4. Step 4: Simplify right side
    76,875.60x = 3,748,364,526.21
  5. Step 5: Solve for x
    x = 3,748,364,526.21/76,875.60
  6. Step 6: Final answer
    x = 48,758.83

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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.