Home / 113,066.64-156,036.24-62,775.36

Finding the Fourth Proportional to 113,066.64, 156,036.24 and 62,775.36

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Solution

The fourth proportional to 113,066.64, 156,036.24 and 62,775.36 is: 86,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,066.64 : 156,036.24 = 62,775.36 : x
  2. Step 2: Convert to fraction form
    113,066.64/156,036.24 = 62,775.36/x
  3. Step 3: Cross multiply
    113,066.64x = 156,036.24 × 62,775.36
  4. Step 4: Simplify right side
    113,066.64x = 9,795,231,139.05
  5. Step 5: Solve for x
    x = 9,795,231,139.05/113,066.64
  6. Step 6: Final answer
    x = 86,632.37

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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.