Home / 45,417.26-68,125.90-14,252.50

Finding the Fourth Proportional to 45,417.26, 68,125.90 and 14,252.50

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Solution

The fourth proportional to 45,417.26, 68,125.90 and 14,252.50 is: 21,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.26 : 68,125.90 = 14,252.50 : x
  2. Step 2: Convert to fraction form
    45,417.26/68,125.90 = 14,252.50/x
  3. Step 3: Cross multiply
    45,417.26x = 68,125.90 × 14,252.50
  4. Step 4: Simplify right side
    45,417.26x = 970,964,389.75
  5. Step 5: Solve for x
    x = 970,964,389.75/45,417.26
  6. Step 6: Final answer
    x = 21,378.75

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1.5x scale

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.