Home / 70,779.06-97,676.82-38,515.46

Finding the Fourth Proportional to 70,779.06, 97,676.82 and 38,515.46

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Solution

The fourth proportional to 70,779.06, 97,676.82 and 38,515.46 is: 53,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,779.06 : 97,676.82 = 38,515.46 : x
  2. Step 2: Convert to fraction form
    70,779.06/97,676.82 = 38,515.46/x
  3. Step 3: Cross multiply
    70,779.06x = 97,676.82 × 38,515.46
  4. Step 4: Simplify right side
    70,779.06x = 3,762,067,165.25
  5. Step 5: Solve for x
    x = 3,762,067,165.25/70,779.06
  6. Step 6: Final answer
    x = 53,152.26

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1.5x scale

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.