Home / 98,564.79-136,019.45-53,242.77

Finding the Fourth Proportional to 98,564.79, 136,019.45 and 53,242.77

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Solution

The fourth proportional to 98,564.79, 136,019.45 and 53,242.77 is: 73,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,564.79 : 136,019.45 = 53,242.77 : x
  2. Step 2: Convert to fraction form
    98,564.79/136,019.45 = 53,242.77/x
  3. Step 3: Cross multiply
    98,564.79x = 136,019.45 × 53,242.77
  4. Step 4: Simplify right side
    98,564.79x = 7,242,052,291.88
  5. Step 5: Solve for x
    x = 7,242,052,291.88/98,564.79
  6. Step 6: Final answer
    x = 73,475.04

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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.