Home / 70,940.27-97,897.51-39,109.70

Finding the Fourth Proportional to 70,940.27, 97,897.51 and 39,109.70

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Solution

The fourth proportional to 70,940.27, 97,897.51 and 39,109.70 is: 53,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.27 : 97,897.51 = 39,109.70 : x
  2. Step 2: Convert to fraction form
    70,940.27/97,897.51 = 39,109.70/x
  3. Step 3: Cross multiply
    70,940.27x = 97,897.51 × 39,109.70
  4. Step 4: Simplify right side
    70,940.27x = 3,828,742,246.85
  5. Step 5: Solve for x
    x = 3,828,742,246.85/70,940.27
  6. Step 6: Final answer
    x = 53,971.35

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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.