Home / 77,385.42-106,797.02-43,396.16

Finding the Fourth Proportional to 77,385.42, 106,797.02 and 43,396.16

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Solution

The fourth proportional to 77,385.42, 106,797.02 and 43,396.16 is: 59,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,385.42 : 106,797.02 = 43,396.16 : x
  2. Step 2: Convert to fraction form
    77,385.42/106,797.02 = 43,396.16/x
  3. Step 3: Cross multiply
    77,385.42x = 106,797.02 × 43,396.16
  4. Step 4: Simplify right side
    77,385.42x = 4,634,579,816.48
  5. Step 5: Solve for x
    x = 4,634,579,816.48/77,385.42
  6. Step 6: Final answer
    x = 59,889.57

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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.