Home / 52,487.40-78,731.70-13,044.60

Finding the Fourth Proportional to 52,487.40, 78,731.70 and 13,044.60

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Solution

The fourth proportional to 52,487.40, 78,731.70 and 13,044.60 is: 19,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.40 : 78,731.70 = 13,044.60 : x
  2. Step 2: Convert to fraction form
    52,487.40/78,731.70 = 13,044.60/x
  3. Step 3: Cross multiply
    52,487.40x = 78,731.70 × 13,044.60
  4. Step 4: Simplify right side
    52,487.40x = 1,027,023,533.82
  5. Step 5: Solve for x
    x = 1,027,023,533.82/52,487.40
  6. Step 6: Final answer
    x = 19,567.05

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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.