Home / 72,088.67-99,478.24-43,049.81

Finding the Fourth Proportional to 72,088.67, 99,478.24 and 43,049.81

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Solution

The fourth proportional to 72,088.67, 99,478.24 and 43,049.81 is: 59,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,088.67 : 99,478.24 = 43,049.81 : x
  2. Step 2: Convert to fraction form
    72,088.67/99,478.24 = 43,049.81/x
  3. Step 3: Cross multiply
    72,088.67x = 99,478.24 × 43,049.81
  4. Step 4: Simplify right side
    72,088.67x = 4,282,519,331.13
  5. Step 5: Solve for x
    x = 4,282,519,331.13/72,088.67
  6. Step 6: Final answer
    x = 59,406.27

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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.