Home / 75,549.86-104,179.64-56,398.92

Finding the Fourth Proportional to 75,549.86, 104,179.64 and 56,398.92

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Solution

The fourth proportional to 75,549.86, 104,179.64 and 56,398.92 is: 77,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,549.86 : 104,179.64 = 56,398.92 : x
  2. Step 2: Convert to fraction form
    75,549.86/104,179.64 = 56,398.92/x
  3. Step 3: Cross multiply
    75,549.86x = 104,179.64 × 56,398.92
  4. Step 4: Simplify right side
    75,549.86x = 5,875,619,181.99
  5. Step 5: Solve for x
    x = 5,875,619,181.99/75,549.86
  6. Step 6: Final answer
    x = 77,771.41

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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.