Home / 106,962.36-147,561.71-64,497.30

Finding the Fourth Proportional to 106,962.36, 147,561.71 and 64,497.30

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Solution

The fourth proportional to 106,962.36, 147,561.71 and 64,497.30 is: 88,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,962.36 : 147,561.71 = 64,497.30 : x
  2. Step 2: Convert to fraction form
    106,962.36/147,561.71 = 64,497.30/x
  3. Step 3: Cross multiply
    106,962.36x = 147,561.71 × 64,497.30
  4. Step 4: Simplify right side
    106,962.36x = 9,517,331,555.90
  5. Step 5: Solve for x
    x = 9,517,331,555.90/106,962.36
  6. Step 6: Final answer
    x = 88,978.32

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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.