Home / 70,402.77-97,131.56-40,166.28

Finding the Fourth Proportional to 70,402.77, 97,131.56 and 40,166.28

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Solution

The fourth proportional to 70,402.77, 97,131.56 and 40,166.28 is: 55,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,402.77 : 97,131.56 = 40,166.28 : x
  2. Step 2: Convert to fraction form
    70,402.77/97,131.56 = 40,166.28/x
  3. Step 3: Cross multiply
    70,402.77x = 97,131.56 × 40,166.28
  4. Step 4: Simplify right side
    70,402.77x = 3,901,413,234.97
  5. Step 5: Solve for x
    x = 3,901,413,234.97/70,402.77
  6. Step 6: Final answer
    x = 55,415.62

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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.