Home / 111,334.47-153,651.29-61,043.19

Finding the Fourth Proportional to 111,334.47, 153,651.29 and 61,043.19

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Solution

The fourth proportional to 111,334.47, 153,651.29 and 61,043.19 is: 84,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,334.47 : 153,651.29 = 61,043.19 : x
  2. Step 2: Convert to fraction form
    111,334.47/153,651.29 = 61,043.19/x
  3. Step 3: Cross multiply
    111,334.47x = 153,651.29 × 61,043.19
  4. Step 4: Simplify right side
    111,334.47x = 9,379,364,889.22
  5. Step 5: Solve for x
    x = 9,379,364,889.22/111,334.47
  6. Step 6: Final answer
    x = 84,244.93

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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.