Home / 98,739.14-136,259.82-53,417.17

Finding the Fourth Proportional to 98,739.14, 136,259.82 and 53,417.17

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Solution

The fourth proportional to 98,739.14, 136,259.82 and 53,417.17 is: 73,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.14 : 136,259.82 = 53,417.17 : x
  2. Step 2: Convert to fraction form
    98,739.14/136,259.82 = 53,417.17/x
  3. Step 3: Cross multiply
    98,739.14x = 136,259.82 × 53,417.17
  4. Step 4: Simplify right side
    98,739.14x = 7,278,614,139.43
  5. Step 5: Solve for x
    x = 7,278,614,139.43/98,739.14
  6. Step 6: Final answer
    x = 73,715.60

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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.