Home / 79,288.02-109,416.51-43,477.74

Finding the Fourth Proportional to 79,288.02, 109,416.51 and 43,477.74

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Solution

The fourth proportional to 79,288.02, 109,416.51 and 43,477.74 is: 59,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,288.02 : 109,416.51 = 43,477.74 : x
  2. Step 2: Convert to fraction form
    79,288.02/109,416.51 = 43,477.74/x
  3. Step 3: Cross multiply
    79,288.02x = 109,416.51 × 43,477.74
  4. Step 4: Simplify right side
    79,288.02x = 4,757,182,573.49
  5. Step 5: Solve for x
    x = 4,757,182,573.49/79,288.02
  6. Step 6: Final answer
    x = 59,998.76

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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.