Home / 98,983.34-136,597.04-53,661.31

Finding the Fourth Proportional to 98,983.34, 136,597.04 and 53,661.31

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Solution

The fourth proportional to 98,983.34, 136,597.04 and 53,661.31 is: 74,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,983.34 : 136,597.04 = 53,661.31 : x
  2. Step 2: Convert to fraction form
    98,983.34/136,597.04 = 53,661.31/x
  3. Step 3: Cross multiply
    98,983.34x = 136,597.04 × 53,661.31
  4. Step 4: Simplify right side
    98,983.34x = 7,329,975,157.23
  5. Step 5: Solve for x
    x = 7,329,975,157.23/98,983.34
  6. Step 6: Final answer
    x = 74,052.62

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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.