Home / 66,735.58-92,156.34-42,903.76

Finding the Fourth Proportional to 66,735.58, 92,156.34 and 42,903.76

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Solution

The fourth proportional to 66,735.58, 92,156.34 and 42,903.76 is: 59,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,735.58 : 92,156.34 = 42,903.76 : x
  2. Step 2: Convert to fraction form
    66,735.58/92,156.34 = 42,903.76/x
  3. Step 3: Cross multiply
    66,735.58x = 92,156.34 × 42,903.76
  4. Step 4: Simplify right side
    66,735.58x = 3,953,853,493.84
  5. Step 5: Solve for x
    x = 3,953,853,493.84/66,735.58
  6. Step 6: Final answer
    x = 59,246.56

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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.