Home / 111,852.18-154,358.64-63,457.38

Finding the Fourth Proportional to 111,852.18, 154,358.64 and 63,457.38

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Solution

The fourth proportional to 111,852.18, 154,358.64 and 63,457.38 is: 87,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,852.18 : 154,358.64 = 63,457.38 : x
  2. Step 2: Convert to fraction form
    111,852.18/154,358.64 = 63,457.38/x
  3. Step 3: Cross multiply
    111,852.18x = 154,358.64 × 63,457.38
  4. Step 4: Simplify right side
    111,852.18x = 9,795,194,874.76
  5. Step 5: Solve for x
    x = 9,795,194,874.76/111,852.18
  6. Step 6: Final answer
    x = 87,572.68

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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.