Home / 99,133.40-136,804.17-53,811.35

Finding the Fourth Proportional to 99,133.40, 136,804.17 and 53,811.35

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Solution

The fourth proportional to 99,133.40, 136,804.17 and 53,811.35 is: 74,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,133.40 : 136,804.17 = 53,811.35 : x
  2. Step 2: Convert to fraction form
    99,133.40/136,804.17 = 53,811.35/x
  3. Step 3: Cross multiply
    99,133.40x = 136,804.17 × 53,811.35
  4. Step 4: Simplify right side
    99,133.40x = 7,361,617,073.33
  5. Step 5: Solve for x
    x = 7,361,617,073.33/99,133.40
  6. Step 6: Final answer
    x = 74,259.71

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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.