Home / 52,246.30-78,374.93-17,188.70

Finding the Fourth Proportional to 52,246.30, 78,374.93 and 17,188.70

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Solution

The fourth proportional to 52,246.30, 78,374.93 and 17,188.70 is: 25,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,246.30 : 78,374.93 = 17,188.70 : x
  2. Step 2: Convert to fraction form
    52,246.30/78,374.93 = 17,188.70/x
  3. Step 3: Cross multiply
    52,246.30x = 78,374.93 × 17,188.70
  4. Step 4: Simplify right side
    52,246.30x = 1,347,163,159.29
  5. Step 5: Solve for x
    x = 1,347,163,159.29/52,246.30
  6. Step 6: Final answer
    x = 25,784.85

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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.