Home / 111,637.08-153,953.40-73,329.24

Finding the Fourth Proportional to 111,637.08, 153,953.40 and 73,329.24

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Solution

The fourth proportional to 111,637.08, 153,953.40 and 73,329.24 is: 101,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,637.08 : 153,953.40 = 73,329.24 : x
  2. Step 2: Convert to fraction form
    111,637.08/153,953.40 = 73,329.24/x
  3. Step 3: Cross multiply
    111,637.08x = 153,953.40 × 73,329.24
  4. Step 4: Simplify right side
    111,637.08x = 11,289,285,817.42
  5. Step 5: Solve for x
    x = 11,289,285,817.42/111,637.08
  6. Step 6: Final answer
    x = 101,124.88

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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.