Home / 48,159.75-66,460.46-31,392.75

Finding the Fourth Proportional to 48,159.75, 66,460.46 and 31,392.75

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Solution

The fourth proportional to 48,159.75, 66,460.46 and 31,392.75 is: 43,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,159.75 : 66,460.46 = 31,392.75 : x
  2. Step 2: Convert to fraction form
    48,159.75/66,460.46 = 31,392.75/x
  3. Step 3: Cross multiply
    48,159.75x = 66,460.46 × 31,392.75
  4. Step 4: Simplify right side
    48,159.75x = 2,086,376,448.70
  5. Step 5: Solve for x
    x = 2,086,376,448.70/48,159.75
  6. Step 6: Final answer
    x = 43,322.00

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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.