Home / 55,803.68-76,987.36-31,599.08

Finding the Fourth Proportional to 55,803.68, 76,987.36 and 31,599.08

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Solution

The fourth proportional to 55,803.68, 76,987.36 and 31,599.08 is: 43,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.68 : 76,987.36 = 31,599.08 : x
  2. Step 2: Convert to fraction form
    55,803.68/76,987.36 = 31,599.08/x
  3. Step 3: Cross multiply
    55,803.68x = 76,987.36 × 31,599.08
  4. Step 4: Simplify right side
    55,803.68x = 2,432,729,589.63
  5. Step 5: Solve for x
    x = 2,432,729,589.63/55,803.68
  6. Step 6: Final answer
    x = 43,594.43

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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.