Home / 76,503.28-114,948.67-48,436.53

Finding the Fourth Proportional to 76,503.28, 114,948.67 and 48,436.53

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Solution

The fourth proportional to 76,503.28, 114,948.67 and 48,436.53 is: 72,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,503.28 : 114,948.67 = 48,436.53 : x
  2. Step 2: Convert to fraction form
    76,503.28/114,948.67 = 48,436.53/x
  3. Step 3: Cross multiply
    76,503.28x = 114,948.67 × 48,436.53
  4. Step 4: Simplify right side
    76,503.28x = 5,567,714,460.73
  5. Step 5: Solve for x
    x = 5,567,714,460.73/76,503.28
  6. Step 6: Final answer
    x = 72,777.46

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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.