Home / 58,891.05-81,315.26-45,257.49

Finding the Fourth Proportional to 58,891.05, 81,315.26 and 45,257.49

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Solution

The fourth proportional to 58,891.05, 81,315.26 and 45,257.49 is: 62,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.05 : 81,315.26 = 45,257.49 : x
  2. Step 2: Convert to fraction form
    58,891.05/81,315.26 = 45,257.49/x
  3. Step 3: Cross multiply
    58,891.05x = 81,315.26 × 45,257.49
  4. Step 4: Simplify right side
    58,891.05x = 3,680,124,769.59
  5. Step 5: Solve for x
    x = 3,680,124,769.59/58,891.05
  6. Step 6: Final answer
    x = 62,490.39

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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.