Home / 58,032.20-86,918.70-47,664.20

Finding the Fourth Proportional to 58,032.20, 86,918.70 and 47,664.20

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Solution

The fourth proportional to 58,032.20, 86,918.70 and 47,664.20 is: 71,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,032.20 : 86,918.70 = 47,664.20 : x
  2. Step 2: Convert to fraction form
    58,032.20/86,918.70 = 47,664.20/x
  3. Step 3: Cross multiply
    58,032.20x = 86,918.70 × 47,664.20
  4. Step 4: Simplify right side
    58,032.20x = 4,142,910,300.54
  5. Step 5: Solve for x
    x = 4,142,910,300.54/58,032.20
  6. Step 6: Final answer
    x = 71,389.85

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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.