Home / 106,434.60-146,880.81-58,686.72

Finding the Fourth Proportional to 106,434.60, 146,880.81 and 58,686.72

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Solution

The fourth proportional to 106,434.60, 146,880.81 and 58,686.72 is: 80,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.60 : 146,880.81 = 58,686.72 : x
  2. Step 2: Convert to fraction form
    106,434.60/146,880.81 = 58,686.72/x
  3. Step 3: Cross multiply
    106,434.60x = 146,880.81 × 58,686.72
  4. Step 4: Simplify right side
    106,434.60x = 8,619,952,969.84
  5. Step 5: Solve for x
    x = 8,619,952,969.84/106,434.60
  6. Step 6: Final answer
    x = 80,988.26

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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.