Home / 116,741.40-174,831.44-66,669.72

Finding the Fourth Proportional to 116,741.40, 174,831.44 and 66,669.72

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Solution

The fourth proportional to 116,741.40, 174,831.44 and 66,669.72 is: 99,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,741.40 : 174,831.44 = 66,669.72 : x
  2. Step 2: Convert to fraction form
    116,741.40/174,831.44 = 66,669.72/x
  3. Step 3: Cross multiply
    116,741.40x = 174,831.44 × 66,669.72
  4. Step 4: Simplify right side
    116,741.40x = 11,655,962,818.65
  5. Step 5: Solve for x
    x = 11,655,962,818.65/116,741.40
  6. Step 6: Final answer
    x = 99,844.30

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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.