Home / 55,995.50-77,275.41-30,846.62

Finding the Fourth Proportional to 55,995.50, 77,275.41 and 30,846.62

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Solution

The fourth proportional to 55,995.50, 77,275.41 and 30,846.62 is: 42,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.50 : 77,275.41 = 30,846.62 : x
  2. Step 2: Convert to fraction form
    55,995.50/77,275.41 = 30,846.62/x
  3. Step 3: Cross multiply
    55,995.50x = 77,275.41 × 30,846.62
  4. Step 4: Simplify right side
    55,995.50x = 2,383,685,207.61
  5. Step 5: Solve for x
    x = 2,383,685,207.61/55,995.50
  6. Step 6: Final answer
    x = 42,569.23

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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.