Home / 113,796.08-157,101.51-68,485.20

Finding the Fourth Proportional to 113,796.08, 157,101.51 and 68,485.20

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Solution

The fourth proportional to 113,796.08, 157,101.51 and 68,485.20 is: 94,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,796.08 : 157,101.51 = 68,485.20 : x
  2. Step 2: Convert to fraction form
    113,796.08/157,101.51 = 68,485.20/x
  3. Step 3: Cross multiply
    113,796.08x = 157,101.51 × 68,485.20
  4. Step 4: Simplify right side
    113,796.08x = 10,759,127,743.52
  5. Step 5: Solve for x
    x = 10,759,127,743.52/113,796.08
  6. Step 6: Final answer
    x = 94,547.44

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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.