Home / 111,832.72-154,333.40-64,095.28

Finding the Fourth Proportional to 111,832.72, 154,333.40 and 64,095.28

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Solution

The fourth proportional to 111,832.72, 154,333.40 and 64,095.28 is: 88,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,832.72 : 154,333.40 = 64,095.28 : x
  2. Step 2: Convert to fraction form
    111,832.72/154,333.40 = 64,095.28/x
  3. Step 3: Cross multiply
    111,832.72x = 154,333.40 × 64,095.28
  4. Step 4: Simplify right side
    111,832.72x = 9,892,041,780.04
  5. Step 5: Solve for x
    x = 9,892,041,780.04/111,832.72
  6. Step 6: Final answer
    x = 88,453.92

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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.