Home / 107,116.68-147,804.30-61,796.40

Finding the Fourth Proportional to 107,116.68, 147,804.30 and 61,796.40

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Solution

The fourth proportional to 107,116.68, 147,804.30 and 61,796.40 is: 85,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,116.68 : 147,804.30 = 61,796.40 : x
  2. Step 2: Convert to fraction form
    107,116.68/147,804.30 = 61,796.40/x
  3. Step 3: Cross multiply
    107,116.68x = 147,804.30 × 61,796.40
  4. Step 4: Simplify right side
    107,116.68x = 9,133,773,644.52
  5. Step 5: Solve for x
    x = 9,133,773,644.52/107,116.68
  6. Step 6: Final answer
    x = 85,269.39

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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.