Home / 60,821.12-83,927.40-35,665.76

Finding the Fourth Proportional to 60,821.12, 83,927.40 and 35,665.76

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Solution

The fourth proportional to 60,821.12, 83,927.40 and 35,665.76 is: 49,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,821.12 : 83,927.40 = 35,665.76 : x
  2. Step 2: Convert to fraction form
    60,821.12/83,927.40 = 35,665.76/x
  3. Step 3: Cross multiply
    60,821.12x = 83,927.40 × 35,665.76
  4. Step 4: Simplify right side
    60,821.12x = 2,993,334,505.82
  5. Step 5: Solve for x
    x = 2,993,334,505.82/60,821.12
  6. Step 6: Final answer
    x = 49,215.38

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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.