Home / 66,228.36-99,439.74-41,374.32

Finding the Fourth Proportional to 66,228.36, 99,439.74 and 41,374.32

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Solution

The fourth proportional to 66,228.36, 99,439.74 and 41,374.32 is: 62,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.36 : 99,439.74 = 41,374.32 : x
  2. Step 2: Convert to fraction form
    66,228.36/99,439.74 = 41,374.32/x
  3. Step 3: Cross multiply
    66,228.36x = 99,439.74 × 41,374.32
  4. Step 4: Simplify right side
    66,228.36x = 4,114,251,623.48
  5. Step 5: Solve for x
    x = 4,114,251,623.48/66,228.36
  6. Step 6: Final answer
    x = 62,122.20

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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.