Home / 58,315.30-87,475.71-18,875.50

Finding the Fourth Proportional to 58,315.30, 87,475.71 and 18,875.50

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Solution

The fourth proportional to 58,315.30, 87,475.71 and 18,875.50 is: 28,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,315.30 : 87,475.71 = 18,875.50 : x
  2. Step 2: Convert to fraction form
    58,315.30/87,475.71 = 18,875.50/x
  3. Step 3: Cross multiply
    58,315.30x = 87,475.71 × 18,875.50
  4. Step 4: Simplify right side
    58,315.30x = 1,651,147,764.11
  5. Step 5: Solve for x
    x = 1,651,147,764.11/58,315.30
  6. Step 6: Final answer
    x = 28,314.14

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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.