Home / 76,729.86-115,110.45-32,356.53

Finding the Fourth Proportional to 76,729.86, 115,110.45 and 32,356.53

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Solution

The fourth proportional to 76,729.86, 115,110.45 and 32,356.53 is: 48,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,729.86 : 115,110.45 = 32,356.53 : x
  2. Step 2: Convert to fraction form
    76,729.86/115,110.45 = 32,356.53/x
  3. Step 3: Cross multiply
    76,729.86x = 115,110.45 × 32,356.53
  4. Step 4: Simplify right side
    76,729.86x = 3,724,574,728.74
  5. Step 5: Solve for x
    x = 3,724,574,728.74/76,729.86
  6. Step 6: Final answer
    x = 48,541.40

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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.