Home / 70,854.42-97,779.75-39,023.43

Finding the Fourth Proportional to 70,854.42, 97,779.75 and 39,023.43

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Solution

The fourth proportional to 70,854.42, 97,779.75 and 39,023.43 is: 53,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,854.42 : 97,779.75 = 39,023.43 : x
  2. Step 2: Convert to fraction form
    70,854.42/97,779.75 = 39,023.43/x
  3. Step 3: Cross multiply
    70,854.42x = 97,779.75 × 39,023.43
  4. Step 4: Simplify right side
    70,854.42x = 3,815,701,229.54
  5. Step 5: Solve for x
    x = 3,815,701,229.54/70,854.42
  6. Step 6: Final answer
    x = 53,852.69

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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.