Home / 74,406.44-102,682.70-42,585.59

Finding the Fourth Proportional to 74,406.44, 102,682.70 and 42,585.59

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Solution

The fourth proportional to 74,406.44, 102,682.70 and 42,585.59 is: 58,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,406.44 : 102,682.70 = 42,585.59 : x
  2. Step 2: Convert to fraction form
    74,406.44/102,682.70 = 42,585.59/x
  3. Step 3: Cross multiply
    74,406.44x = 102,682.70 × 42,585.59
  4. Step 4: Simplify right side
    74,406.44x = 4,372,803,362.29
  5. Step 5: Solve for x
    x = 4,372,803,362.29/74,406.44
  6. Step 6: Final answer
    x = 58,769.15

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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.