Home / 82,859.04-114,348.96-45,135.36

Finding the Fourth Proportional to 82,859.04, 114,348.96 and 45,135.36

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Solution

The fourth proportional to 82,859.04, 114,348.96 and 45,135.36 is: 62,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,859.04 : 114,348.96 = 45,135.36 : x
  2. Step 2: Convert to fraction form
    82,859.04/114,348.96 = 45,135.36/x
  3. Step 3: Cross multiply
    82,859.04x = 114,348.96 × 45,135.36
  4. Step 4: Simplify right side
    82,859.04x = 5,161,181,475.23
  5. Step 5: Solve for x
    x = 5,161,181,475.23/82,859.04
  6. Step 6: Final answer
    x = 62,288.70

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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.