Home / 70,801.16-97,705.63-38,969.83

Finding the Fourth Proportional to 70,801.16, 97,705.63 and 38,969.83

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Solution

The fourth proportional to 70,801.16, 97,705.63 and 38,969.83 is: 53,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.16 : 97,705.63 = 38,969.83 : x
  2. Step 2: Convert to fraction form
    70,801.16/97,705.63 = 38,969.83/x
  3. Step 3: Cross multiply
    70,801.16x = 97,705.63 × 38,969.83
  4. Step 4: Simplify right side
    70,801.16x = 3,807,571,791.14
  5. Step 5: Solve for x
    x = 3,807,571,791.14/70,801.16
  6. Step 6: Final answer
    x = 53,778.38

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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.