Home / 65,304.06-97,970.75-20,933.48

Finding the Fourth Proportional to 65,304.06, 97,970.75 and 20,933.48

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Solution

The fourth proportional to 65,304.06, 97,970.75 and 20,933.48 is: 31,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,304.06 : 97,970.75 = 20,933.48 : x
  2. Step 2: Convert to fraction form
    65,304.06/97,970.75 = 20,933.48/x
  3. Step 3: Cross multiply
    65,304.06x = 97,970.75 × 20,933.48
  4. Step 4: Simplify right side
    65,304.06x = 2,050,868,735.71
  5. Step 5: Solve for x
    x = 2,050,868,735.71/65,304.06
  6. Step 6: Final answer
    x = 31,404.92

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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.