Home / 75,656.25-104,406.35-42,122.97

Finding the Fourth Proportional to 75,656.25, 104,406.35 and 42,122.97

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Solution

The fourth proportional to 75,656.25, 104,406.35 and 42,122.97 is: 58,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,656.25 : 104,406.35 = 42,122.97 : x
  2. Step 2: Convert to fraction form
    75,656.25/104,406.35 = 42,122.97/x
  3. Step 3: Cross multiply
    75,656.25x = 104,406.35 × 42,122.97
  4. Step 4: Simplify right side
    75,656.25x = 4,397,905,338.24
  5. Step 5: Solve for x
    x = 4,397,905,338.24/75,656.25
  6. Step 6: Final answer
    x = 58,130.10

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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.