Home / 70,012.35-96,618.33-38,181.15

Finding the Fourth Proportional to 70,012.35, 96,618.33 and 38,181.15

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Solution

The fourth proportional to 70,012.35, 96,618.33 and 38,181.15 is: 52,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.35 : 96,618.33 = 38,181.15 : x
  2. Step 2: Convert to fraction form
    70,012.35/96,618.33 = 38,181.15/x
  3. Step 3: Cross multiply
    70,012.35x = 96,618.33 × 38,181.15
  4. Step 4: Simplify right side
    70,012.35x = 3,688,998,950.48
  5. Step 5: Solve for x
    x = 3,688,998,950.48/70,012.35
  6. Step 6: Final answer
    x = 52,690.69

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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.