Home / 58,184.12-87,289.83-18,739.74

Finding the Fourth Proportional to 58,184.12, 87,289.83 and 18,739.74

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Solution

The fourth proportional to 58,184.12, 87,289.83 and 18,739.74 is: 28,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,184.12 : 87,289.83 = 18,739.74 : x
  2. Step 2: Convert to fraction form
    58,184.12/87,289.83 = 18,739.74/x
  3. Step 3: Cross multiply
    58,184.12x = 87,289.83 × 18,739.74
  4. Step 4: Simplify right side
    58,184.12x = 1,635,788,718.84
  5. Step 5: Solve for x
    x = 1,635,788,718.84/58,184.12
  6. Step 6: Final answer
    x = 28,114.01

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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.