Home / 106,435.61-146,906.76-63,985.94

Finding the Fourth Proportional to 106,435.61, 146,906.76 and 63,985.94

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Solution

The fourth proportional to 106,435.61, 146,906.76 and 63,985.94 is: 88,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.61 : 146,906.76 = 63,985.94 : x
  2. Step 2: Convert to fraction form
    106,435.61/146,906.76 = 63,985.94/x
  3. Step 3: Cross multiply
    106,435.61x = 146,906.76 × 63,985.94
  4. Step 4: Simplify right side
    106,435.61x = 9,399,967,130.95
  5. Step 5: Solve for x
    x = 9,399,967,130.95/106,435.61
  6. Step 6: Final answer
    x = 88,316.00

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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.