Home / 65,386.38-98,014.77-39,051.66

Finding the Fourth Proportional to 65,386.38, 98,014.77 and 39,051.66

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Solution

The fourth proportional to 65,386.38, 98,014.77 and 39,051.66 is: 58,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386.38 : 98,014.77 = 39,051.66 : x
  2. Step 2: Convert to fraction form
    65,386.38/98,014.77 = 39,051.66/x
  3. Step 3: Cross multiply
    65,386.38x = 98,014.77 × 39,051.66
  4. Step 4: Simplify right side
    65,386.38x = 3,827,639,473.02
  5. Step 5: Solve for x
    x = 3,827,639,473.02/65,386.38
  6. Step 6: Final answer
    x = 58,538.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.