Home / 55,922.63-77,173.22-30,772.13

Finding the Fourth Proportional to 55,922.63, 77,173.22 and 30,772.13

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Solution

The fourth proportional to 55,922.63, 77,173.22 and 30,772.13 is: 42,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,922.63 : 77,173.22 = 30,772.13 : x
  2. Step 2: Convert to fraction form
    55,922.63/77,173.22 = 30,772.13/x
  3. Step 3: Cross multiply
    55,922.63x = 77,173.22 × 30,772.13
  4. Step 4: Simplify right side
    55,922.63x = 2,374,784,049.42
  5. Step 5: Solve for x
    x = 2,374,784,049.42/55,922.63
  6. Step 6: Final answer
    x = 42,465.53

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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.