Home / 55,943.08-77,202.90-30,450.88

Finding the Fourth Proportional to 55,943.08, 77,202.90 and 30,450.88

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Solution

The fourth proportional to 55,943.08, 77,202.90 and 30,450.88 is: 42,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.08 : 77,202.90 = 30,450.88 : x
  2. Step 2: Convert to fraction form
    55,943.08/77,202.90 = 30,450.88/x
  3. Step 3: Cross multiply
    55,943.08x = 77,202.90 × 30,450.88
  4. Step 4: Simplify right side
    55,943.08x = 2,350,896,243.55
  5. Step 5: Solve for x
    x = 2,350,896,243.55/55,943.08
  6. Step 6: Final answer
    x = 42,023.00

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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.