Home / 70,325.45-97,051.80-40,115.69

Finding the Fourth Proportional to 70,325.45, 97,051.80 and 40,115.69

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Solution

The fourth proportional to 70,325.45, 97,051.80 and 40,115.69 is: 55,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.45 : 97,051.80 = 40,115.69 : x
  2. Step 2: Convert to fraction form
    70,325.45/97,051.80 = 40,115.69/x
  3. Step 3: Cross multiply
    70,325.45x = 97,051.80 × 40,115.69
  4. Step 4: Simplify right side
    70,325.45x = 3,893,299,437.48
  5. Step 5: Solve for x
    x = 3,893,299,437.48/70,325.45
  6. Step 6: Final answer
    x = 55,361.18

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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.