Home / 111,526.26-153,886.38-63,127.94

Finding the Fourth Proportional to 111,526.26, 153,886.38 and 63,127.94

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Solution

The fourth proportional to 111,526.26, 153,886.38 and 63,127.94 is: 87,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,526.26 : 153,886.38 = 63,127.94 : x
  2. Step 2: Convert to fraction form
    111,526.26/153,886.38 = 63,127.94/x
  3. Step 3: Cross multiply
    111,526.26x = 153,886.38 × 63,127.94
  4. Step 4: Simplify right side
    111,526.26x = 9,714,530,163.46
  5. Step 5: Solve for x
    x = 9,714,530,163.46/111,526.26
  6. Step 6: Final answer
    x = 87,105.32

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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.