Home / 117,430.22-162,051.66-71,473.25

Finding the Fourth Proportional to 117,430.22, 162,051.66 and 71,473.25

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Solution

The fourth proportional to 117,430.22, 162,051.66 and 71,473.25 is: 98,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,430.22 : 162,051.66 = 71,473.25 : x
  2. Step 2: Convert to fraction form
    117,430.22/162,051.66 = 71,473.25/x
  3. Step 3: Cross multiply
    117,430.22x = 162,051.66 × 71,473.25
  4. Step 4: Simplify right side
    117,430.22x = 11,582,358,808.10
  5. Step 5: Solve for x
    x = 11,582,358,808.10/117,430.22
  6. Step 6: Final answer
    x = 98,631.84

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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.