Home / 70,941.60-97,905.24-39,113.52

Finding the Fourth Proportional to 70,941.60, 97,905.24 and 39,113.52

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Solution

The fourth proportional to 70,941.60, 97,905.24 and 39,113.52 is: 53,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.60 : 97,905.24 = 39,113.52 : x
  2. Step 2: Convert to fraction form
    70,941.60/97,905.24 = 39,113.52/x
  3. Step 3: Cross multiply
    70,941.60x = 97,905.24 × 39,113.52
  4. Step 4: Simplify right side
    70,941.60x = 3,829,418,562.84
  5. Step 5: Solve for x
    x = 3,829,418,562.84/70,941.60
  6. Step 6: Final answer
    x = 53,979.87

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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.