Home / 70,900.42-97,844.67-39,071.37

Finding the Fourth Proportional to 70,900.42, 97,844.67 and 39,071.37

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Solution

The fourth proportional to 70,900.42, 97,844.67 and 39,071.37 is: 53,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,900.42 : 97,844.67 = 39,071.37 : x
  2. Step 2: Convert to fraction form
    70,900.42/97,844.67 = 39,071.37/x
  3. Step 3: Cross multiply
    70,900.42x = 97,844.67 × 39,071.37
  4. Step 4: Simplify right side
    70,900.42x = 3,822,925,108.74
  5. Step 5: Solve for x
    x = 3,822,925,108.74/70,900.42
  6. Step 6: Final answer
    x = 53,919.64

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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.