Home / 116,025.28-160,140.64-65,752

Finding the Fourth Proportional to 116,025.28, 160,140.64 and 65,752

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Solution

The fourth proportional to 116,025.28, 160,140.64 and 65,752 is: 90,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,025.28 : 160,140.64 = 65,752 : x
  2. Step 2: Convert to fraction form
    116,025.28/160,140.64 = 65,752/x
  3. Step 3: Cross multiply
    116,025.28x = 160,140.64 × 65,752
  4. Step 4: Simplify right side
    116,025.28x = 10,529,567,361.28
  5. Step 5: Solve for x
    x = 10,529,567,361.28/116,025.28
  6. Step 6: Final answer
    x = 90,752.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.