Home / 72,293.27-99,770.96-40,461.71

Finding the Fourth Proportional to 72,293.27, 99,770.96 and 40,461.71

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Solution

The fourth proportional to 72,293.27, 99,770.96 and 40,461.71 is: 55,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293.27 : 99,770.96 = 40,461.71 : x
  2. Step 2: Convert to fraction form
    72,293.27/99,770.96 = 40,461.71/x
  3. Step 3: Cross multiply
    72,293.27x = 99,770.96 × 40,461.71
  4. Step 4: Simplify right side
    72,293.27x = 4,036,903,649.94
  5. Step 5: Solve for x
    x = 4,036,903,649.94/72,293.27
  6. Step 6: Final answer
    x = 55,840.66

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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.