Home / 106,944.05-147,539.61-61,597.78

Finding the Fourth Proportional to 106,944.05, 147,539.61 and 61,597.78

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Solution

The fourth proportional to 106,944.05, 147,539.61 and 61,597.78 is: 84,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,944.05 : 147,539.61 = 61,597.78 : x
  2. Step 2: Convert to fraction form
    106,944.05/147,539.61 = 61,597.78/x
  3. Step 3: Cross multiply
    106,944.05x = 147,539.61 × 61,597.78
  4. Step 4: Simplify right side
    106,944.05x = 9,088,112,069.22
  5. Step 5: Solve for x
    x = 9,088,112,069.22/106,944.05
  6. Step 6: Final answer
    x = 84,980.06

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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.