Home / 74,342.88-102,598.25-42,077.54

Finding the Fourth Proportional to 74,342.88, 102,598.25 and 42,077.54

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Solution

The fourth proportional to 74,342.88, 102,598.25 and 42,077.54 is: 58,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.88 : 102,598.25 = 42,077.54 : x
  2. Step 2: Convert to fraction form
    74,342.88/102,598.25 = 42,077.54/x
  3. Step 3: Cross multiply
    74,342.88x = 102,598.25 × 42,077.54
  4. Step 4: Simplify right side
    74,342.88x = 4,317,082,014.41
  5. Step 5: Solve for x
    x = 4,317,082,014.41/74,342.88
  6. Step 6: Final answer
    x = 58,069.88

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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.