Home / 113,804.64-157,054.68-63,513.36

Finding the Fourth Proportional to 113,804.64, 157,054.68 and 63,513.36

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Solution

The fourth proportional to 113,804.64, 157,054.68 and 63,513.36 is: 87,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,804.64 : 157,054.68 = 63,513.36 : x
  2. Step 2: Convert to fraction form
    113,804.64/157,054.68 = 63,513.36/x
  3. Step 3: Cross multiply
    113,804.64x = 157,054.68 × 63,513.36
  4. Step 4: Simplify right side
    113,804.64x = 9,975,070,430.52
  5. Step 5: Solve for x
    x = 9,975,070,430.52/113,804.64
  6. Step 6: Final answer
    x = 87,650.82

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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.