Home / 53,267.84-79,777.28-42,099.60

Finding the Fourth Proportional to 53,267.84, 79,777.28 and 42,099.60

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Solution

The fourth proportional to 53,267.84, 79,777.28 and 42,099.60 is: 63,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.84 : 79,777.28 = 42,099.60 : x
  2. Step 2: Convert to fraction form
    53,267.84/79,777.28 = 42,099.60/x
  3. Step 3: Cross multiply
    53,267.84x = 79,777.28 × 42,099.60
  4. Step 4: Simplify right side
    53,267.84x = 3,358,591,577.09
  5. Step 5: Solve for x
    x = 3,358,591,577.09/53,267.84
  6. Step 6: Final answer
    x = 63,051.02

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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.