Home / 68,316.41-94,320.53-42,857.68

Finding the Fourth Proportional to 68,316.41, 94,320.53 and 42,857.68

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Solution

The fourth proportional to 68,316.41, 94,320.53 and 42,857.68 is: 59,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.41 : 94,320.53 = 42,857.68 : x
  2. Step 2: Convert to fraction form
    68,316.41/94,320.53 = 42,857.68/x
  3. Step 3: Cross multiply
    68,316.41x = 94,320.53 × 42,857.68
  4. Step 4: Simplify right side
    68,316.41x = 4,042,359,124.39
  5. Step 5: Solve for x
    x = 4,042,359,124.39/68,316.41
  6. Step 6: Final answer
    x = 59,171.13

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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.