Home / 74,276.69-102,508.83-42,439.41

Finding the Fourth Proportional to 74,276.69, 102,508.83 and 42,439.41

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Solution

The fourth proportional to 74,276.69, 102,508.83 and 42,439.41 is: 58,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.69 : 102,508.83 = 42,439.41 : x
  2. Step 2: Convert to fraction form
    74,276.69/102,508.83 = 42,439.41/x
  3. Step 3: Cross multiply
    74,276.69x = 102,508.83 × 42,439.41
  4. Step 4: Simplify right side
    74,276.69x = 4,350,414,264.99
  5. Step 5: Solve for x
    x = 4,350,414,264.99/74,276.69
  6. Step 6: Final answer
    x = 58,570.39

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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.