Home / 106,365.60-146,790.28-61,043.20

Finding the Fourth Proportional to 106,365.60, 146,790.28 and 61,043.20

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Solution

The fourth proportional to 106,365.60, 146,790.28 and 61,043.20 is: 84,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,365.60 : 146,790.28 = 61,043.20 : x
  2. Step 2: Convert to fraction form
    106,365.60/146,790.28 = 61,043.20/x
  3. Step 3: Cross multiply
    106,365.60x = 146,790.28 × 61,043.20
  4. Step 4: Simplify right side
    106,365.60x = 8,960,548,420.10
  5. Step 5: Solve for x
    x = 8,960,548,420.10/106,365.60
  6. Step 6: Final answer
    x = 84,242.92

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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.