Home / 69,656.02-96,127.29-40,977.79

Finding the Fourth Proportional to 69,656.02, 96,127.29 and 40,977.79

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Solution

The fourth proportional to 69,656.02, 96,127.29 and 40,977.79 is: 56,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,656.02 : 96,127.29 = 40,977.79 : x
  2. Step 2: Convert to fraction form
    69,656.02/96,127.29 = 40,977.79/x
  3. Step 3: Cross multiply
    69,656.02x = 96,127.29 × 40,977.79
  4. Step 4: Simplify right side
    69,656.02x = 3,939,083,902.89
  5. Step 5: Solve for x
    x = 3,939,083,902.89/69,656.02
  6. Step 6: Final answer
    x = 56,550.52

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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.