Home / 75,420.04-104,056.22-43,577.32

Finding the Fourth Proportional to 75,420.04, 104,056.22 and 43,577.32

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Solution

The fourth proportional to 75,420.04, 104,056.22 and 43,577.32 is: 60,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,420.04 : 104,056.22 = 43,577.32 : x
  2. Step 2: Convert to fraction form
    75,420.04/104,056.22 = 43,577.32/x
  3. Step 3: Cross multiply
    75,420.04x = 104,056.22 × 43,577.32
  4. Step 4: Simplify right side
    75,420.04x = 4,534,491,196.93
  5. Step 5: Solve for x
    x = 4,534,491,196.93/75,420.04
  6. Step 6: Final answer
    x = 60,123.16

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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.