Home / 70,514.60-97,308.45-38,683.22

Finding the Fourth Proportional to 70,514.60, 97,308.45 and 38,683.22

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Solution

The fourth proportional to 70,514.60, 97,308.45 and 38,683.22 is: 53,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,514.60 : 97,308.45 = 38,683.22 : x
  2. Step 2: Convert to fraction form
    70,514.60/97,308.45 = 38,683.22/x
  3. Step 3: Cross multiply
    70,514.60x = 97,308.45 × 38,683.22
  4. Step 4: Simplify right side
    70,514.60x = 3,764,203,692.67
  5. Step 5: Solve for x
    x = 3,764,203,692.67/70,514.60
  6. Step 6: Final answer
    x = 53,381.91

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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.