Home / 45,427.78-62,689.89-25,284.32

Finding the Fourth Proportional to 45,427.78, 62,689.89 and 25,284.32

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Solution

The fourth proportional to 45,427.78, 62,689.89 and 25,284.32 is: 34,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.78 : 62,689.89 = 25,284.32 : x
  2. Step 2: Convert to fraction form
    45,427.78/62,689.89 = 25,284.32/x
  3. Step 3: Cross multiply
    45,427.78x = 62,689.89 × 25,284.32
  4. Step 4: Simplify right side
    45,427.78x = 1,585,071,239.52
  5. Step 5: Solve for x
    x = 1,585,071,239.52/45,427.78
  6. Step 6: Final answer
    x = 34,892.11

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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.