Home / 56,258.12-77,633.16-31,106

Finding the Fourth Proportional to 56,258.12, 77,633.16 and 31,106

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Solution

The fourth proportional to 56,258.12, 77,633.16 and 31,106 is: 42,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,258.12 : 77,633.16 = 31,106 : x
  2. Step 2: Convert to fraction form
    56,258.12/77,633.16 = 31,106/x
  3. Step 3: Cross multiply
    56,258.12x = 77,633.16 × 31,106
  4. Step 4: Simplify right side
    56,258.12x = 2,414,857,074.96
  5. Step 5: Solve for x
    x = 2,414,857,074.96/56,258.12
  6. Step 6: Final answer
    x = 42,924.60

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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.