Home / 98,857.42-136,423.36-53,535.47

Finding the Fourth Proportional to 98,857.42, 136,423.36 and 53,535.47

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Solution

The fourth proportional to 98,857.42, 136,423.36 and 53,535.47 is: 73,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857.42 : 136,423.36 = 53,535.47 : x
  2. Step 2: Convert to fraction form
    98,857.42/136,423.36 = 53,535.47/x
  3. Step 3: Cross multiply
    98,857.42x = 136,423.36 × 53,535.47
  4. Step 4: Simplify right side
    98,857.42x = 7,303,488,696.58
  5. Step 5: Solve for x
    x = 7,303,488,696.58/98,857.42
  6. Step 6: Final answer
    x = 73,879.01

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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.