Home / 54,656.16-75,423.53-30,785.06

Finding the Fourth Proportional to 54,656.16, 75,423.53 and 30,785.06

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Solution

The fourth proportional to 54,656.16, 75,423.53 and 30,785.06 is: 42,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.16 : 75,423.53 = 30,785.06 : x
  2. Step 2: Convert to fraction form
    54,656.16/75,423.53 = 30,785.06/x
  3. Step 3: Cross multiply
    54,656.16x = 75,423.53 × 30,785.06
  4. Step 4: Simplify right side
    54,656.16x = 2,321,917,596.31
  5. Step 5: Solve for x
    x = 2,321,917,596.31/54,656.16
  6. Step 6: Final answer
    x = 42,482.27

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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.