Home / 88,933.20-133,237.80-70,335.60

Finding the Fourth Proportional to 88,933.20, 133,237.80 and 70,335.60

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Solution

The fourth proportional to 88,933.20, 133,237.80 and 70,335.60 is: 105,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,933.20 : 133,237.80 = 70,335.60 : x
  2. Step 2: Convert to fraction form
    88,933.20/133,237.80 = 70,335.60/x
  3. Step 3: Cross multiply
    88,933.20x = 133,237.80 × 70,335.60
  4. Step 4: Simplify right side
    88,933.20x = 9,371,360,605.68
  5. Step 5: Solve for x
    x = 9,371,360,605.68/88,933.20
  6. Step 6: Final answer
    x = 105,375.28

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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.