Home / 56,345.63-77,759.39-31,195.13

Finding the Fourth Proportional to 56,345.63, 77,759.39 and 31,195.13

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Solution

The fourth proportional to 56,345.63, 77,759.39 and 31,195.13 is: 43,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.63 : 77,759.39 = 31,195.13 : x
  2. Step 2: Convert to fraction form
    56,345.63/77,759.39 = 31,195.13/x
  3. Step 3: Cross multiply
    56,345.63x = 77,759.39 × 31,195.13
  4. Step 4: Simplify right side
    56,345.63x = 2,425,713,968.96
  5. Step 5: Solve for x
    x = 2,425,713,968.96/56,345.63
  6. Step 6: Final answer
    x = 43,050.62

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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.