Home / 72,045.84-99,304.26-48,163.80

Finding the Fourth Proportional to 72,045.84, 99,304.26 and 48,163.80

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Solution

The fourth proportional to 72,045.84, 99,304.26 and 48,163.80 is: 66,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,045.84 : 99,304.26 = 48,163.80 : x
  2. Step 2: Convert to fraction form
    72,045.84/99,304.26 = 48,163.80/x
  3. Step 3: Cross multiply
    72,045.84x = 99,304.26 × 48,163.80
  4. Step 4: Simplify right side
    72,045.84x = 4,782,870,517.79
  5. Step 5: Solve for x
    x = 4,782,870,517.79/72,045.84
  6. Step 6: Final answer
    x = 66,386.49

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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.