Home / 76,007.28-104,889.88-42,473.28

Finding the Fourth Proportional to 76,007.28, 104,889.88 and 42,473.28

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Solution

The fourth proportional to 76,007.28, 104,889.88 and 42,473.28 is: 58,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007.28 : 104,889.88 = 42,473.28 : x
  2. Step 2: Convert to fraction form
    76,007.28/104,889.88 = 42,473.28/x
  3. Step 3: Cross multiply
    76,007.28x = 104,889.88 × 42,473.28
  4. Step 4: Simplify right side
    76,007.28x = 4,455,017,242.41
  5. Step 5: Solve for x
    x = 4,455,017,242.41/76,007.28
  6. Step 6: Final answer
    x = 58,613.03

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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.