Home / 55,888.24-77,124-30,737.56

Finding the Fourth Proportional to 55,888.24, 77,124 and 30,737.56

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Solution

The fourth proportional to 55,888.24, 77,124 and 30,737.56 is: 42,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888.24 : 77,124 = 30,737.56 : x
  2. Step 2: Convert to fraction form
    55,888.24/77,124 = 30,737.56/x
  3. Step 3: Cross multiply
    55,888.24x = 77,124 × 30,737.56
  4. Step 4: Simplify right side
    55,888.24x = 2,370,603,577.44
  5. Step 5: Solve for x
    x = 2,370,603,577.44/55,888.24
  6. Step 6: Final answer
    x = 42,416.86

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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.