Home / 95,345.64-143,039.72-31,306.64

Finding the Fourth Proportional to 95,345.64, 143,039.72 and 31,306.64

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Solution

The fourth proportional to 95,345.64, 143,039.72 and 31,306.64 is: 46,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,345.64 : 143,039.72 = 31,306.64 : x
  2. Step 2: Convert to fraction form
    95,345.64/143,039.72 = 31,306.64/x
  3. Step 3: Cross multiply
    95,345.64x = 143,039.72 × 31,306.64
  4. Step 4: Simplify right side
    95,345.64x = 4,478,092,382.81
  5. Step 5: Solve for x
    x = 4,478,092,382.81/95,345.64
  6. Step 6: Final answer
    x = 46,966.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.