Home / 89,323.40-133,985.10-36,770.60

Finding the Fourth Proportional to 89,323.40, 133,985.10 and 36,770.60

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Solution

The fourth proportional to 89,323.40, 133,985.10 and 36,770.60 is: 55,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,323.40 : 133,985.10 = 36,770.60 : x
  2. Step 2: Convert to fraction form
    89,323.40/133,985.10 = 36,770.60/x
  3. Step 3: Cross multiply
    89,323.40x = 133,985.10 × 36,770.60
  4. Step 4: Simplify right side
    89,323.40x = 4,926,712,518.06
  5. Step 5: Solve for x
    x = 4,926,712,518.06/89,323.40
  6. Step 6: Final answer
    x = 55,155.90

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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.