Home / 98,563.79-136,018.07-53,241.77

Finding the Fourth Proportional to 98,563.79, 136,018.07 and 53,241.77

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Solution

The fourth proportional to 98,563.79, 136,018.07 and 53,241.77 is: 73,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,563.79 : 136,018.07 = 53,241.77 : x
  2. Step 2: Convert to fraction form
    98,563.79/136,018.07 = 53,241.77/x
  3. Step 3: Cross multiply
    98,563.79x = 136,018.07 × 53,241.77
  4. Step 4: Simplify right side
    98,563.79x = 7,241,841,852.48
  5. Step 5: Solve for x
    x = 7,241,841,852.48/98,563.79
  6. Step 6: Final answer
    x = 73,473.66

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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.