Home / 67,045.42-92,549.08-40,182.78

Finding the Fourth Proportional to 67,045.42, 92,549.08 and 40,182.78

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Solution

The fourth proportional to 67,045.42, 92,549.08 and 40,182.78 is: 55,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,045.42 : 92,549.08 = 40,182.78 : x
  2. Step 2: Convert to fraction form
    67,045.42/92,549.08 = 40,182.78/x
  3. Step 3: Cross multiply
    67,045.42x = 92,549.08 × 40,182.78
  4. Step 4: Simplify right side
    67,045.42x = 3,718,879,718.13
  5. Step 5: Solve for x
    x = 3,718,879,718.13/67,045.42
  6. Step 6: Final answer
    x = 55,468.06

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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.