Home / 106,756.89-147,318.75-59,007.39

Finding the Fourth Proportional to 106,756.89, 147,318.75 and 59,007.39

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Solution

The fourth proportional to 106,756.89, 147,318.75 and 59,007.39 is: 81,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,756.89 : 147,318.75 = 59,007.39 : x
  2. Step 2: Convert to fraction form
    106,756.89/147,318.75 = 59,007.39/x
  3. Step 3: Cross multiply
    106,756.89x = 147,318.75 × 59,007.39
  4. Step 4: Simplify right side
    106,756.89x = 8,692,894,383.12
  5. Step 5: Solve for x
    x = 8,692,894,383.12/106,756.89
  6. Step 6: Final answer
    x = 81,427.01

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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.