Home / 69,018.90-103,637.70-50,429.40

Finding the Fourth Proportional to 69,018.90, 103,637.70 and 50,429.40

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Solution

The fourth proportional to 69,018.90, 103,637.70 and 50,429.40 is: 75,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,018.90 : 103,637.70 = 50,429.40 : x
  2. Step 2: Convert to fraction form
    69,018.90/103,637.70 = 50,429.40/x
  3. Step 3: Cross multiply
    69,018.90x = 103,637.70 × 50,429.40
  4. Step 4: Simplify right side
    69,018.90x = 5,226,387,028.38
  5. Step 5: Solve for x
    x = 5,226,387,028.38/69,018.90
  6. Step 6: Final answer
    x = 75,724.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.