Home / 55,933.93-77,188.85-30,783.25

Finding the Fourth Proportional to 55,933.93, 77,188.85 and 30,783.25

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Solution

The fourth proportional to 55,933.93, 77,188.85 and 30,783.25 is: 42,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.93 : 77,188.85 = 30,783.25 : x
  2. Step 2: Convert to fraction form
    55,933.93/77,188.85 = 30,783.25/x
  3. Step 3: Cross multiply
    55,933.93x = 77,188.85 × 30,783.25
  4. Step 4: Simplify right side
    55,933.93x = 2,376,123,666.76
  5. Step 5: Solve for x
    x = 2,376,123,666.76/55,933.93
  6. Step 6: Final answer
    x = 42,480.90

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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.