Home / 84,636.94-127,031.55-45,227.74

Finding the Fourth Proportional to 84,636.94, 127,031.55 and 45,227.74

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Solution

The fourth proportional to 84,636.94, 127,031.55 and 45,227.74 is: 67,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,636.94 : 127,031.55 = 45,227.74 : x
  2. Step 2: Convert to fraction form
    84,636.94/127,031.55 = 45,227.74/x
  3. Step 3: Cross multiply
    84,636.94x = 127,031.55 × 45,227.74
  4. Step 4: Simplify right side
    84,636.94x = 5,745,349,915.20
  5. Step 5: Solve for x
    x = 5,745,349,915.20/84,636.94
  6. Step 6: Final answer
    x = 67,882.30

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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.