Home / 58,154.34-87,176.10-18,683.75

Finding the Fourth Proportional to 58,154.34, 87,176.10 and 18,683.75

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Solution

The fourth proportional to 58,154.34, 87,176.10 and 18,683.75 is: 28,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,154.34 : 87,176.10 = 18,683.75 : x
  2. Step 2: Convert to fraction form
    58,154.34/87,176.10 = 18,683.75/x
  3. Step 3: Cross multiply
    58,154.34x = 87,176.10 × 18,683.75
  4. Step 4: Simplify right side
    58,154.34x = 1,628,776,458.38
  5. Step 5: Solve for x
    x = 1,628,776,458.38/58,154.34
  6. Step 6: Final answer
    x = 28,007.82

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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.