Home / 56,966.28-78,630.12-33,103.68

Finding the Fourth Proportional to 56,966.28, 78,630.12 and 33,103.68

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Solution

The fourth proportional to 56,966.28, 78,630.12 and 33,103.68 is: 45,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,966.28 : 78,630.12 = 33,103.68 : x
  2. Step 2: Convert to fraction form
    56,966.28/78,630.12 = 33,103.68/x
  3. Step 3: Cross multiply
    56,966.28x = 78,630.12 × 33,103.68
  4. Step 4: Simplify right side
    56,966.28x = 2,602,946,330.84
  5. Step 5: Solve for x
    x = 2,602,946,330.84/56,966.28
  6. Step 6: Final answer
    x = 45,692.76

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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.