Home / 106,583.20-159,567.60-65,111.20

Finding the Fourth Proportional to 106,583.20, 159,567.60 and 65,111.20

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Solution

The fourth proportional to 106,583.20, 159,567.60 and 65,111.20 is: 97,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,583.20 : 159,567.60 = 65,111.20 : x
  2. Step 2: Convert to fraction form
    106,583.20/159,567.60 = 65,111.20/x
  3. Step 3: Cross multiply
    106,583.20x = 159,567.60 × 65,111.20
  4. Step 4: Simplify right side
    106,583.20x = 10,389,637,917.12
  5. Step 5: Solve for x
    x = 10,389,637,917.12/106,583.20
  6. Step 6: Final answer
    x = 97,479.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.