Home / 106,592.40-147,104.64-61,285.32

Finding the Fourth Proportional to 106,592.40, 147,104.64 and 61,285.32

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Solution

The fourth proportional to 106,592.40, 147,104.64 and 61,285.32 is: 84,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,592.40 : 147,104.64 = 61,285.32 : x
  2. Step 2: Convert to fraction form
    106,592.40/147,104.64 = 61,285.32/x
  3. Step 3: Cross multiply
    106,592.40x = 147,104.64 × 61,285.32
  4. Step 4: Simplify right side
    106,592.40x = 9,015,354,935.88
  5. Step 5: Solve for x
    x = 9,015,354,935.88/106,592.40
  6. Step 6: Final answer
    x = 84,577.84

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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.