Home / 55,966.12-77,234.58-30,473.80

Finding the Fourth Proportional to 55,966.12, 77,234.58 and 30,473.80

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Solution

The fourth proportional to 55,966.12, 77,234.58 and 30,473.80 is: 42,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.12 : 77,234.58 = 30,473.80 : x
  2. Step 2: Convert to fraction form
    55,966.12/77,234.58 = 30,473.80/x
  3. Step 3: Cross multiply
    55,966.12x = 77,234.58 × 30,473.80
  4. Step 4: Simplify right side
    55,966.12x = 2,353,631,144.00
  5. Step 5: Solve for x
    x = 2,353,631,144.00/55,966.12
  6. Step 6: Final answer
    x = 42,054.57

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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.