Home / 111,835.53-154,337.30-64,098.11

Finding the Fourth Proportional to 111,835.53, 154,337.30 and 64,098.11

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Solution

The fourth proportional to 111,835.53, 154,337.30 and 64,098.11 is: 88,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,835.53 : 154,337.30 = 64,098.11 : x
  2. Step 2: Convert to fraction form
    111,835.53/154,337.30 = 64,098.11/x
  3. Step 3: Cross multiply
    111,835.53x = 154,337.30 × 64,098.11
  4. Step 4: Simplify right side
    111,835.53x = 9,892,729,538.22
  5. Step 5: Solve for x
    x = 9,892,729,538.22/111,835.53
  6. Step 6: Final answer
    x = 88,457.84

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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.