Home / 70,933.25-97,893.87-39,108.76

Finding the Fourth Proportional to 70,933.25, 97,893.87 and 39,108.76

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Solution

The fourth proportional to 70,933.25, 97,893.87 and 39,108.76 is: 53,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.25 : 97,893.87 = 39,108.76 : x
  2. Step 2: Convert to fraction form
    70,933.25/97,893.87 = 39,108.76/x
  3. Step 3: Cross multiply
    70,933.25x = 97,893.87 × 39,108.76
  4. Step 4: Simplify right side
    70,933.25x = 3,828,507,475.91
  5. Step 5: Solve for x
    x = 3,828,507,475.91/70,933.25
  6. Step 6: Final answer
    x = 53,973.38

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1.5x scale

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.