Home / 98,557.32-147,907.26-39,409.50

Finding the Fourth Proportional to 98,557.32, 147,907.26 and 39,409.50

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Solution

The fourth proportional to 98,557.32, 147,907.26 and 39,409.50 is: 59,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,557.32 : 147,907.26 = 39,409.50 : x
  2. Step 2: Convert to fraction form
    98,557.32/147,907.26 = 39,409.50/x
  3. Step 3: Cross multiply
    98,557.32x = 147,907.26 × 39,409.50
  4. Step 4: Simplify right side
    98,557.32x = 5,828,951,162.97
  5. Step 5: Solve for x
    x = 5,828,951,162.97/98,557.32
  6. Step 6: Final answer
    x = 59,142.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.