Home / 102,118.20-153,017.31-64,599.06

Finding the Fourth Proportional to 102,118.20, 153,017.31 and 64,599.06

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Solution

The fourth proportional to 102,118.20, 153,017.31 and 64,599.06 is: 96,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,118.20 : 153,017.31 = 64,599.06 : x
  2. Step 2: Convert to fraction form
    102,118.20/153,017.31 = 64,599.06/x
  3. Step 3: Cross multiply
    102,118.20x = 153,017.31 × 64,599.06
  4. Step 4: Simplify right side
    102,118.20x = 9,884,774,389.73
  5. Step 5: Solve for x
    x = 9,884,774,389.73/102,118.20
  6. Step 6: Final answer
    x = 96,797.38

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