Home / 58,178.86-87,281.96-18,734.49

Finding the Fourth Proportional to 58,178.86, 87,281.96 and 18,734.49

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Solution

The fourth proportional to 58,178.86, 87,281.96 and 18,734.49 is: 28,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,178.86 : 87,281.96 = 18,734.49 : x
  2. Step 2: Convert to fraction form
    58,178.86/87,281.96 = 18,734.49/x
  3. Step 3: Cross multiply
    58,178.86x = 87,281.96 × 18,734.49
  4. Step 4: Simplify right side
    58,178.86x = 1,635,182,913.13
  5. Step 5: Solve for x
    x = 1,635,182,913.13/58,178.86
  6. Step 6: Final answer
    x = 28,106.14

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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.