Home / 67,316.72-92,871.24-40,465.76

Finding the Fourth Proportional to 67,316.72, 92,871.24 and 40,465.76

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Solution

The fourth proportional to 67,316.72, 92,871.24 and 40,465.76 is: 55,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,316.72 : 92,871.24 = 40,465.76 : x
  2. Step 2: Convert to fraction form
    67,316.72/92,871.24 = 40,465.76/x
  3. Step 3: Cross multiply
    67,316.72x = 92,871.24 × 40,465.76
  4. Step 4: Simplify right side
    67,316.72x = 3,758,105,308.74
  5. Step 5: Solve for x
    x = 3,758,105,308.74/67,316.72
  6. Step 6: Final answer
    x = 55,827.22

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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.