Home / 56,185.64-77,534.70-31,034.60

Finding the Fourth Proportional to 56,185.64, 77,534.70 and 31,034.60

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Solution

The fourth proportional to 56,185.64, 77,534.70 and 31,034.60 is: 42,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185.64 : 77,534.70 = 31,034.60 : x
  2. Step 2: Convert to fraction form
    56,185.64/77,534.70 = 31,034.60/x
  3. Step 3: Cross multiply
    56,185.64x = 77,534.70 × 31,034.60
  4. Step 4: Simplify right side
    56,185.64x = 2,406,258,400.62
  5. Step 5: Solve for x
    x = 2,406,258,400.62/56,185.64
  6. Step 6: Final answer
    x = 42,826.93

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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.