Home / 98,808.01-136,355.38-53,485.98

Finding the Fourth Proportional to 98,808.01, 136,355.38 and 53,485.98

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Solution

The fourth proportional to 98,808.01, 136,355.38 and 53,485.98 is: 73,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,808.01 : 136,355.38 = 53,485.98 : x
  2. Step 2: Convert to fraction form
    98,808.01/136,355.38 = 53,485.98/x
  3. Step 3: Cross multiply
    98,808.01x = 136,355.38 × 53,485.98
  4. Step 4: Simplify right side
    98,808.01x = 7,293,101,127.57
  5. Step 5: Solve for x
    x = 7,293,101,127.57/98,808.01
  6. Step 6: Final answer
    x = 73,810.83

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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.