Home / 56,063.19-77,366.20-30,569.75

Finding the Fourth Proportional to 56,063.19, 77,366.20 and 30,569.75

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Solution

The fourth proportional to 56,063.19, 77,366.20 and 30,569.75 is: 42,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,063.19 : 77,366.20 = 30,569.75 : x
  2. Step 2: Convert to fraction form
    56,063.19/77,366.20 = 30,569.75/x
  3. Step 3: Cross multiply
    56,063.19x = 77,366.20 × 30,569.75
  4. Step 4: Simplify right side
    56,063.19x = 2,365,065,392.45
  5. Step 5: Solve for x
    x = 2,365,065,392.45/56,063.19
  6. Step 6: Final answer
    x = 42,185.71

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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.