Home / 70,271.38-96,963.24-40,056.76

Finding the Fourth Proportional to 70,271.38, 96,963.24 and 40,056.76

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Solution

The fourth proportional to 70,271.38, 96,963.24 and 40,056.76 is: 55,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,271.38 : 96,963.24 = 40,056.76 : x
  2. Step 2: Convert to fraction form
    70,271.38/96,963.24 = 40,056.76/x
  3. Step 3: Cross multiply
    70,271.38x = 96,963.24 × 40,056.76
  4. Step 4: Simplify right side
    70,271.38x = 3,884,033,233.50
  5. Step 5: Solve for x
    x = 3,884,033,233.50/70,271.38
  6. Step 6: Final answer
    x = 55,271.91

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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.