Home / 82,888.40-114,394.20-47,080.64

Finding the Fourth Proportional to 82,888.40, 114,394.20 and 47,080.64

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Solution

The fourth proportional to 82,888.40, 114,394.20 and 47,080.64 is: 64,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,888.40 : 114,394.20 = 47,080.64 : x
  2. Step 2: Convert to fraction form
    82,888.40/114,394.20 = 47,080.64/x
  3. Step 3: Cross multiply
    82,888.40x = 114,394.20 × 47,080.64
  4. Step 4: Simplify right side
    82,888.40x = 5,385,752,148.29
  5. Step 5: Solve for x
    x = 5,385,752,148.29/82,888.40
  6. Step 6: Final answer
    x = 64,975.95

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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.