Home / 68,422.95-102,633.35-56,711.43

Finding the Fourth Proportional to 68,422.95, 102,633.35 and 56,711.43

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Solution

The fourth proportional to 68,422.95, 102,633.35 and 56,711.43 is: 85,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,422.95 : 102,633.35 = 56,711.43 : x
  2. Step 2: Convert to fraction form
    68,422.95/102,633.35 = 56,711.43/x
  3. Step 3: Cross multiply
    68,422.95x = 102,633.35 × 56,711.43
  4. Step 4: Simplify right side
    68,422.95x = 5,820,483,760.63
  5. Step 5: Solve for x
    x = 5,820,483,760.63/68,422.95
  6. Step 6: Final answer
    x = 85,066.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.