Home / 56,495.97-77,964.22-31,002.76

Finding the Fourth Proportional to 56,495.97, 77,964.22 and 31,002.76

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Solution

The fourth proportional to 56,495.97, 77,964.22 and 31,002.76 is: 42,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.97 : 77,964.22 = 31,002.76 : x
  2. Step 2: Convert to fraction form
    56,495.97/77,964.22 = 31,002.76/x
  3. Step 3: Cross multiply
    56,495.97x = 77,964.22 × 31,002.76
  4. Step 4: Simplify right side
    56,495.97x = 2,417,105,846.23
  5. Step 5: Solve for x
    x = 2,417,105,846.23/56,495.97
  6. Step 6: Final answer
    x = 42,783.69

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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.