Home / 98,963.13-136,577.75-54,259.77

Finding the Fourth Proportional to 98,963.13, 136,577.75 and 54,259.77

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Solution

The fourth proportional to 98,963.13, 136,577.75 and 54,259.77 is: 74,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963.13 : 136,577.75 = 54,259.77 : x
  2. Step 2: Convert to fraction form
    98,963.13/136,577.75 = 54,259.77/x
  3. Step 3: Cross multiply
    98,963.13x = 136,577.75 × 54,259.77
  4. Step 4: Simplify right side
    98,963.13x = 7,410,677,302.12
  5. Step 5: Solve for x
    x = 7,410,677,302.12/98,963.13
  6. Step 6: Final answer
    x = 74,883.21

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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.