Home / 56,832.14-78,426.63-31,338.49

Finding the Fourth Proportional to 56,832.14, 78,426.63 and 31,338.49

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Solution

The fourth proportional to 56,832.14, 78,426.63 and 31,338.49 is: 43,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.14 : 78,426.63 = 31,338.49 : x
  2. Step 2: Convert to fraction form
    56,832.14/78,426.63 = 31,338.49/x
  3. Step 3: Cross multiply
    56,832.14x = 78,426.63 × 31,338.49
  4. Step 4: Simplify right side
    56,832.14x = 2,457,771,963.92
  5. Step 5: Solve for x
    x = 2,457,771,963.92/56,832.14
  6. Step 6: Final answer
    x = 43,246.17

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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.