Home / 117,216.51-161,758.38-63,501.48

Finding the Fourth Proportional to 117,216.51, 161,758.38 and 63,501.48

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Solution

The fourth proportional to 117,216.51, 161,758.38 and 63,501.48 is: 87,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,216.51 : 161,758.38 = 63,501.48 : x
  2. Step 2: Convert to fraction form
    117,216.51/161,758.38 = 63,501.48/x
  3. Step 3: Cross multiply
    117,216.51x = 161,758.38 × 63,501.48
  4. Step 4: Simplify right side
    117,216.51x = 10,271,896,532.40
  5. Step 5: Solve for x
    x = 10,271,896,532.40/117,216.51
  6. Step 6: Final answer
    x = 87,631.82

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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.