Home / 56,187.64-77,537.46-31,036.60

Finding the Fourth Proportional to 56,187.64, 77,537.46 and 31,036.60

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Solution

The fourth proportional to 56,187.64, 77,537.46 and 31,036.60 is: 42,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.64 : 77,537.46 = 31,036.60 : x
  2. Step 2: Convert to fraction form
    56,187.64/77,537.46 = 31,036.60/x
  3. Step 3: Cross multiply
    56,187.64x = 77,537.46 × 31,036.60
  4. Step 4: Simplify right side
    56,187.64x = 2,406,499,131.04
  5. Step 5: Solve for x
    x = 2,406,499,131.04/56,187.64
  6. Step 6: Final answer
    x = 42,829.69

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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.