Home / 70,953.18-97,914.81-39,121.41

Finding the Fourth Proportional to 70,953.18, 97,914.81 and 39,121.41

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Solution

The fourth proportional to 70,953.18, 97,914.81 and 39,121.41 is: 53,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.18 : 97,914.81 = 39,121.41 : x
  2. Step 2: Convert to fraction form
    70,953.18/97,914.81 = 39,121.41/x
  3. Step 3: Cross multiply
    70,953.18x = 97,914.81 × 39,121.41
  4. Step 4: Simplify right side
    70,953.18x = 3,830,565,427.08
  5. Step 5: Solve for x
    x = 3,830,565,427.08/70,953.18
  6. Step 6: Final answer
    x = 53,987.23

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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.