Home / 55,966.56-77,234.76-30,816.06

Finding the Fourth Proportional to 55,966.56, 77,234.76 and 30,816.06

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Solution

The fourth proportional to 55,966.56, 77,234.76 and 30,816.06 is: 42,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.56 : 77,234.76 = 30,816.06 : x
  2. Step 2: Convert to fraction form
    55,966.56/77,234.76 = 30,816.06/x
  3. Step 3: Cross multiply
    55,966.56x = 77,234.76 × 30,816.06
  4. Step 4: Simplify right side
    55,966.56x = 2,380,070,998.25
  5. Step 5: Solve for x
    x = 2,380,070,998.25/55,966.56
  6. Step 6: Final answer
    x = 42,526.66

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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.