Home / 72,433.31-99,957.66-40,602.21

Finding the Fourth Proportional to 72,433.31, 99,957.66 and 40,602.21

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Solution

The fourth proportional to 72,433.31, 99,957.66 and 40,602.21 is: 56,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433.31 : 99,957.66 = 40,602.21 : x
  2. Step 2: Convert to fraction form
    72,433.31/99,957.66 = 40,602.21/x
  3. Step 3: Cross multiply
    72,433.31x = 99,957.66 × 40,602.21
  4. Step 4: Simplify right side
    72,433.31x = 4,058,501,902.43
  5. Step 5: Solve for x
    x = 4,058,501,902.43/72,433.31
  6. Step 6: Final answer
    x = 56,030.88

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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.