Home / 58,112.40-87,176.43-18,681.60

Finding the Fourth Proportional to 58,112.40, 87,176.43 and 18,681.60

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Solution

The fourth proportional to 58,112.40, 87,176.43 and 18,681.60 is: 28,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,112.40 : 87,176.43 = 18,681.60 : x
  2. Step 2: Convert to fraction form
    58,112.40/87,176.43 = 18,681.60/x
  3. Step 3: Cross multiply
    58,112.40x = 87,176.43 × 18,681.60
  4. Step 4: Simplify right side
    58,112.40x = 1,628,595,194.69
  5. Step 5: Solve for x
    x = 1,628,595,194.69/58,112.40
  6. Step 6: Final answer
    x = 28,024.92

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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.