Home / 68,915.99-95,114.48-42,074.15

Finding the Fourth Proportional to 68,915.99, 95,114.48 and 42,074.15

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Solution

The fourth proportional to 68,915.99, 95,114.48 and 42,074.15 is: 58,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,915.99 : 95,114.48 = 42,074.15 : x
  2. Step 2: Convert to fraction form
    68,915.99/95,114.48 = 42,074.15/x
  3. Step 3: Cross multiply
    68,915.99x = 95,114.48 × 42,074.15
  4. Step 4: Simplify right side
    68,915.99x = 4,001,860,898.69
  5. Step 5: Solve for x
    x = 4,001,860,898.69/68,915.99
  6. Step 6: Final answer
    x = 58,068.68

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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.