Home / 68,108.09-94,035.47-42,624.78

Finding the Fourth Proportional to 68,108.09, 94,035.47 and 42,624.78

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Solution

The fourth proportional to 68,108.09, 94,035.47 and 42,624.78 is: 58,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,108.09 : 94,035.47 = 42,624.78 : x
  2. Step 2: Convert to fraction form
    68,108.09/94,035.47 = 42,624.78/x
  3. Step 3: Cross multiply
    68,108.09x = 94,035.47 × 42,624.78
  4. Step 4: Simplify right side
    68,108.09x = 4,008,241,220.95
  5. Step 5: Solve for x
    x = 4,008,241,220.95/68,108.09
  6. Step 6: Final answer
    x = 58,851.18

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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.