Home / 117,065.16-161,548.65-63,349.02

Finding the Fourth Proportional to 117,065.16, 161,548.65 and 63,349.02

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Solution

The fourth proportional to 117,065.16, 161,548.65 and 63,349.02 is: 87,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.16 : 161,548.65 = 63,349.02 : x
  2. Step 2: Convert to fraction form
    117,065.16/161,548.65 = 63,349.02/x
  3. Step 3: Cross multiply
    117,065.16x = 161,548.65 × 63,349.02
  4. Step 4: Simplify right side
    117,065.16x = 10,233,948,659.82
  5. Step 5: Solve for x
    x = 10,233,948,659.82/117,065.16
  6. Step 6: Final answer
    x = 87,420.96

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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.