Home / 85,113.40-127,668.24-22,783.92

Finding the Fourth Proportional to 85,113.40, 127,668.24 and 22,783.92

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Solution

The fourth proportional to 85,113.40, 127,668.24 and 22,783.92 is: 34,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113.40 : 127,668.24 = 22,783.92 : x
  2. Step 2: Convert to fraction form
    85,113.40/127,668.24 = 22,783.92/x
  3. Step 3: Cross multiply
    85,113.40x = 127,668.24 × 22,783.92
  4. Step 4: Simplify right side
    85,113.40x = 2,908,782,966.70
  5. Step 5: Solve for x
    x = 2,908,782,966.70/85,113.40
  6. Step 6: Final answer
    x = 34,175.38

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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.