Home / 70,129.35-96,779.27-38,299.19

Finding the Fourth Proportional to 70,129.35, 96,779.27 and 38,299.19

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Solution

The fourth proportional to 70,129.35, 96,779.27 and 38,299.19 is: 52,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,129.35 : 96,779.27 = 38,299.19 : x
  2. Step 2: Convert to fraction form
    70,129.35/96,779.27 = 38,299.19/x
  3. Step 3: Cross multiply
    70,129.35x = 96,779.27 × 38,299.19
  4. Step 4: Simplify right side
    70,129.35x = 3,706,567,261.64
  5. Step 5: Solve for x
    x = 3,706,567,261.64/70,129.35
  6. Step 6: Final answer
    x = 52,853.30

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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.