Home / 72,072.32-99,503.68-67,610.24

Finding the Fourth Proportional to 72,072.32, 99,503.68 and 67,610.24

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Solution

The fourth proportional to 72,072.32, 99,503.68 and 67,610.24 is: 93,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072.32 : 99,503.68 = 67,610.24 : x
  2. Step 2: Convert to fraction form
    72,072.32/99,503.68 = 67,610.24/x
  3. Step 3: Cross multiply
    72,072.32x = 99,503.68 × 67,610.24
  4. Step 4: Simplify right side
    72,072.32x = 6,727,467,685.68
  5. Step 5: Solve for x
    x = 6,727,467,685.68/72,072.32
  6. Step 6: Final answer
    x = 93,343.29

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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.