Home / 70,385.29-97,133.27-40,170.01

Finding the Fourth Proportional to 70,385.29, 97,133.27 and 40,170.01

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Solution

The fourth proportional to 70,385.29, 97,133.27 and 40,170.01 is: 55,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385.29 : 97,133.27 = 40,170.01 : x
  2. Step 2: Convert to fraction form
    70,385.29/97,133.27 = 40,170.01/x
  3. Step 3: Cross multiply
    70,385.29x = 97,133.27 × 40,170.01
  4. Step 4: Simplify right side
    70,385.29x = 3,901,844,427.23
  5. Step 5: Solve for x
    x = 3,901,844,427.23/70,385.29
  6. Step 6: Final answer
    x = 55,435.51

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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.