Home / 75,184.08-103,783.32-43,380.24

Finding the Fourth Proportional to 75,184.08, 103,783.32 and 43,380.24

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Solution

The fourth proportional to 75,184.08, 103,783.32 and 43,380.24 is: 59,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184.08 : 103,783.32 = 43,380.24 : x
  2. Step 2: Convert to fraction form
    75,184.08/103,783.32 = 43,380.24/x
  3. Step 3: Cross multiply
    75,184.08x = 103,783.32 × 43,380.24
  4. Step 4: Simplify right side
    75,184.08x = 4,502,145,329.60
  5. Step 5: Solve for x
    x = 4,502,145,329.60/75,184.08
  6. Step 6: Final answer
    x = 59,881.63

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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.