Home / 56,966.36-78,612.19-31,475.16

Finding the Fourth Proportional to 56,966.36, 78,612.19 and 31,475.16

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Solution

The fourth proportional to 56,966.36, 78,612.19 and 31,475.16 is: 43,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,966.36 : 78,612.19 = 31,475.16 : x
  2. Step 2: Convert to fraction form
    56,966.36/78,612.19 = 31,475.16/x
  3. Step 3: Cross multiply
    56,966.36x = 78,612.19 × 31,475.16
  4. Step 4: Simplify right side
    56,966.36x = 2,474,331,179.51
  5. Step 5: Solve for x
    x = 2,474,331,179.51/56,966.36
  6. Step 6: Final answer
    x = 43,434.96

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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.