Home / 55,025.73-75,935.53-31,152.45

Finding the Fourth Proportional to 55,025.73, 75,935.53 and 31,152.45

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Solution

The fourth proportional to 55,025.73, 75,935.53 and 31,152.45 is: 42,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025.73 : 75,935.53 = 31,152.45 : x
  2. Step 2: Convert to fraction form
    55,025.73/75,935.53 = 31,152.45/x
  3. Step 3: Cross multiply
    55,025.73x = 75,935.53 × 31,152.45
  4. Step 4: Simplify right side
    55,025.73x = 2,365,577,522.88
  5. Step 5: Solve for x
    x = 2,365,577,522.88/55,025.73
  6. Step 6: Final answer
    x = 42,990.39

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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.