Home / 106,977.56-147,633.64-59,230.90

Finding the Fourth Proportional to 106,977.56, 147,633.64 and 59,230.90

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Solution

The fourth proportional to 106,977.56, 147,633.64 and 59,230.90 is: 81,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.56 : 147,633.64 = 59,230.90 : x
  2. Step 2: Convert to fraction form
    106,977.56/147,633.64 = 59,230.90/x
  3. Step 3: Cross multiply
    106,977.56x = 147,633.64 × 59,230.90
  4. Step 4: Simplify right side
    106,977.56x = 8,744,473,071.32
  5. Step 5: Solve for x
    x = 8,744,473,071.32/106,977.56
  6. Step 6: Final answer
    x = 81,741.19

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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.