Home / 69,022.05-95,248.80-45,148.20

Finding the Fourth Proportional to 69,022.05, 95,248.80 and 45,148.20

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Solution

The fourth proportional to 69,022.05, 95,248.80 and 45,148.20 is: 62,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,022.05 : 95,248.80 = 45,148.20 : x
  2. Step 2: Convert to fraction form
    69,022.05/95,248.80 = 45,148.20/x
  3. Step 3: Cross multiply
    69,022.05x = 95,248.80 × 45,148.20
  4. Step 4: Simplify right side
    69,022.05x = 4,300,311,872.16
  5. Step 5: Solve for x
    x = 4,300,311,872.16/69,022.05
  6. Step 6: Final answer
    x = 62,303.45

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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.