Home / 76,748.13-114,981.93-55,635.81

Finding the Fourth Proportional to 76,748.13, 114,981.93 and 55,635.81

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Solution

The fourth proportional to 76,748.13, 114,981.93 and 55,635.81 is: 83,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,748.13 : 114,981.93 = 55,635.81 : x
  2. Step 2: Convert to fraction form
    76,748.13/114,981.93 = 55,635.81/x
  3. Step 3: Cross multiply
    76,748.13x = 114,981.93 × 55,635.81
  4. Step 4: Simplify right side
    76,748.13x = 6,397,113,026.50
  5. Step 5: Solve for x
    x = 6,397,113,026.50/76,748.13
  6. Step 6: Final answer
    x = 83,352.03

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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.