Home / 45,437.75-68,151.75-15,856.14

Finding the Fourth Proportional to 45,437.75, 68,151.75 and 15,856.14

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Solution

The fourth proportional to 45,437.75, 68,151.75 and 15,856.14 is: 23,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437.75 : 68,151.75 = 15,856.14 : x
  2. Step 2: Convert to fraction form
    45,437.75/68,151.75 = 15,856.14/x
  3. Step 3: Cross multiply
    45,437.75x = 68,151.75 × 15,856.14
  4. Step 4: Simplify right side
    45,437.75x = 1,080,623,689.25
  5. Step 5: Solve for x
    x = 1,080,623,689.25/45,437.75
  6. Step 6: Final answer
    x = 23,782.51

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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.