Home / 74,772.18-103,185.09-41,238.18

Finding the Fourth Proportional to 74,772.18, 103,185.09 and 41,238.18

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Solution

The fourth proportional to 74,772.18, 103,185.09 and 41,238.18 is: 56,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772.18 : 103,185.09 = 41,238.18 : x
  2. Step 2: Convert to fraction form
    74,772.18/103,185.09 = 41,238.18/x
  3. Step 3: Cross multiply
    74,772.18x = 103,185.09 × 41,238.18
  4. Step 4: Simplify right side
    74,772.18x = 4,255,165,314.74
  5. Step 5: Solve for x
    x = 4,255,165,314.74/74,772.18
  6. Step 6: Final answer
    x = 56,908.40

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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.