Home / 62,920.49-86,815.98-45,933.98

Finding the Fourth Proportional to 62,920.49, 86,815.98 and 45,933.98

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Solution

The fourth proportional to 62,920.49, 86,815.98 and 45,933.98 is: 63,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.49 : 86,815.98 = 45,933.98 : x
  2. Step 2: Convert to fraction form
    62,920.49/86,815.98 = 45,933.98/x
  3. Step 3: Cross multiply
    62,920.49x = 86,815.98 × 45,933.98
  4. Step 4: Simplify right side
    62,920.49x = 3,987,803,054.92
  5. Step 5: Solve for x
    x = 3,987,803,054.92/62,920.49
  6. Step 6: Final answer
    x = 63,378.45

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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.