Home / 55,482.32-76,561.66-31,604.60

Finding the Fourth Proportional to 55,482.32, 76,561.66 and 31,604.60

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Solution

The fourth proportional to 55,482.32, 76,561.66 and 31,604.60 is: 43,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.32 : 76,561.66 = 31,604.60 : x
  2. Step 2: Convert to fraction form
    55,482.32/76,561.66 = 31,604.60/x
  3. Step 3: Cross multiply
    55,482.32x = 76,561.66 × 31,604.60
  4. Step 4: Simplify right side
    55,482.32x = 2,419,700,639.64
  5. Step 5: Solve for x
    x = 2,419,700,639.64/55,482.32
  6. Step 6: Final answer
    x = 43,612.10

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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.