Home / 52,043.96-78,041.64-18,759.64

Finding the Fourth Proportional to 52,043.96, 78,041.64 and 18,759.64

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Solution

The fourth proportional to 52,043.96, 78,041.64 and 18,759.64 is: 28,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.96 : 78,041.64 = 18,759.64 : x
  2. Step 2: Convert to fraction form
    52,043.96/78,041.64 = 18,759.64/x
  3. Step 3: Cross multiply
    52,043.96x = 78,041.64 × 18,759.64
  4. Step 4: Simplify right side
    52,043.96x = 1,464,033,071.41
  5. Step 5: Solve for x
    x = 1,464,033,071.41/52,043.96
  6. Step 6: Final answer
    x = 28,130.70

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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.