Home / 72,860.02-109,119.93-56,086.95

Finding the Fourth Proportional to 72,860.02, 109,119.93 and 56,086.95

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Solution

The fourth proportional to 72,860.02, 109,119.93 and 56,086.95 is: 83,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860.02 : 109,119.93 = 56,086.95 : x
  2. Step 2: Convert to fraction form
    72,860.02/109,119.93 = 56,086.95/x
  3. Step 3: Cross multiply
    72,860.02x = 109,119.93 × 56,086.95
  4. Step 4: Simplify right side
    72,860.02x = 6,120,204,057.91
  5. Step 5: Solve for x
    x = 6,120,204,057.91/72,860.02
  6. Step 6: Final answer
    x = 83,999.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.