Home / 74,285.71-102,529.38-50,420.08

Finding the Fourth Proportional to 74,285.71, 102,529.38 and 50,420.08

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Solution

The fourth proportional to 74,285.71, 102,529.38 and 50,420.08 is: 69,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,285.71 : 102,529.38 = 50,420.08 : x
  2. Step 2: Convert to fraction form
    74,285.71/102,529.38 = 50,420.08/x
  3. Step 3: Cross multiply
    74,285.71x = 102,529.38 × 50,420.08
  4. Step 4: Simplify right side
    74,285.71x = 5,169,539,541.95
  5. Step 5: Solve for x
    x = 5,169,539,541.95/74,285.71
  6. Step 6: Final answer
    x = 69,589.96

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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.