Home / 45,129.21-62,275.83-26,980.29

Finding the Fourth Proportional to 45,129.21, 62,275.83 and 26,980.29

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Solution

The fourth proportional to 45,129.21, 62,275.83 and 26,980.29 is: 37,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.21 : 62,275.83 = 26,980.29 : x
  2. Step 2: Convert to fraction form
    45,129.21/62,275.83 = 26,980.29/x
  3. Step 3: Cross multiply
    45,129.21x = 62,275.83 × 26,980.29
  4. Step 4: Simplify right side
    45,129.21x = 1,680,219,953.39
  5. Step 5: Solve for x
    x = 1,680,219,953.39/45,129.21
  6. Step 6: Final answer
    x = 37,231.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.