Home / 56,268.04-77,651.46-31,119.16

Finding the Fourth Proportional to 56,268.04, 77,651.46 and 31,119.16

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Solution

The fourth proportional to 56,268.04, 77,651.46 and 31,119.16 is: 42,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,268.04 : 77,651.46 = 31,119.16 : x
  2. Step 2: Convert to fraction form
    56,268.04/77,651.46 = 31,119.16/x
  3. Step 3: Cross multiply
    56,268.04x = 77,651.46 × 31,119.16
  4. Step 4: Simplify right side
    56,268.04x = 2,416,448,207.97
  5. Step 5: Solve for x
    x = 2,416,448,207.97/56,268.04
  6. Step 6: Final answer
    x = 42,945.31

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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.