Home / 70,928.90-97,881.86-39,098.33

Finding the Fourth Proportional to 70,928.90, 97,881.86 and 39,098.33

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Solution

The fourth proportional to 70,928.90, 97,881.86 and 39,098.33 is: 53,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928.90 : 97,881.86 = 39,098.33 : x
  2. Step 2: Convert to fraction form
    70,928.90/97,881.86 = 39,098.33/x
  3. Step 3: Cross multiply
    70,928.90x = 97,881.86 × 39,098.33
  4. Step 4: Simplify right side
    70,928.90x = 3,827,016,578.39
  5. Step 5: Solve for x
    x = 3,827,016,578.39/70,928.90
  6. Step 6: Final answer
    x = 53,955.68

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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.