Home / 45,420.62-62,678.83-25,278.35

Finding the Fourth Proportional to 45,420.62, 62,678.83 and 25,278.35

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Solution

The fourth proportional to 45,420.62, 62,678.83 and 25,278.35 is: 34,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.62 : 62,678.83 = 25,278.35 : x
  2. Step 2: Convert to fraction form
    45,420.62/62,678.83 = 25,278.35/x
  3. Step 3: Cross multiply
    45,420.62x = 62,678.83 × 25,278.35
  4. Step 4: Simplify right side
    45,420.62x = 1,584,417,275.94
  5. Step 5: Solve for x
    x = 1,584,417,275.94/45,420.62
  6. Step 6: Final answer
    x = 34,883.22

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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.