Home / 68,723.55-94,834.04-40,423.77

Finding the Fourth Proportional to 68,723.55, 94,834.04 and 40,423.77

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Solution

The fourth proportional to 68,723.55, 94,834.04 and 40,423.77 is: 55,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.55 : 94,834.04 = 40,423.77 : x
  2. Step 2: Convert to fraction form
    68,723.55/94,834.04 = 40,423.77/x
  3. Step 3: Cross multiply
    68,723.55x = 94,834.04 × 40,423.77
  4. Step 4: Simplify right side
    68,723.55x = 3,833,549,219.01
  5. Step 5: Solve for x
    x = 3,833,549,219.01/68,723.55
  6. Step 6: Final answer
    x = 55,782.18

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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.