Home / 55,967.12-77,235.96-30,474.80

Finding the Fourth Proportional to 55,967.12, 77,235.96 and 30,474.80

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Solution

The fourth proportional to 55,967.12, 77,235.96 and 30,474.80 is: 42,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.12 : 77,235.96 = 30,474.80 : x
  2. Step 2: Convert to fraction form
    55,967.12/77,235.96 = 30,474.80/x
  3. Step 3: Cross multiply
    55,967.12x = 77,235.96 × 30,474.80
  4. Step 4: Simplify right side
    55,967.12x = 2,353,750,433.81
  5. Step 5: Solve for x
    x = 2,353,750,433.81/55,967.12
  6. Step 6: Final answer
    x = 42,055.95

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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.