Home / 98,809.26-148,107.60-42,675.77

Finding the Fourth Proportional to 98,809.26, 148,107.60 and 42,675.77

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Solution

The fourth proportional to 98,809.26, 148,107.60 and 42,675.77 is: 63,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,809.26 : 148,107.60 = 42,675.77 : x
  2. Step 2: Convert to fraction form
    98,809.26/148,107.60 = 42,675.77/x
  3. Step 3: Cross multiply
    98,809.26x = 148,107.60 × 42,675.77
  4. Step 4: Simplify right side
    98,809.26x = 6,320,605,132.31
  5. Step 5: Solve for x
    x = 6,320,605,132.31/98,809.26
  6. Step 6: Final answer
    x = 63,967.74

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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.