Home / 98,977.25-136,588.98-53,655.32

Finding the Fourth Proportional to 98,977.25, 136,588.98 and 53,655.32

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Solution

The fourth proportional to 98,977.25, 136,588.98 and 53,655.32 is: 74,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,977.25 : 136,588.98 = 53,655.32 : x
  2. Step 2: Convert to fraction form
    98,977.25/136,588.98 = 53,655.32/x
  3. Step 3: Cross multiply
    98,977.25x = 136,588.98 × 53,655.32
  4. Step 4: Simplify right side
    98,977.25x = 7,328,725,430.37
  5. Step 5: Solve for x
    x = 7,328,725,430.37/98,977.25
  6. Step 6: Final answer
    x = 74,044.54

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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.