Home / 75,092.32-103,639.02-42,826.98

Finding the Fourth Proportional to 75,092.32, 103,639.02 and 42,826.98

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Solution

The fourth proportional to 75,092.32, 103,639.02 and 42,826.98 is: 59,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.32 : 103,639.02 = 42,826.98 : x
  2. Step 2: Convert to fraction form
    75,092.32/103,639.02 = 42,826.98/x
  3. Step 3: Cross multiply
    75,092.32x = 103,639.02 × 42,826.98
  4. Step 4: Simplify right side
    75,092.32x = 4,438,546,236.76
  5. Step 5: Solve for x
    x = 4,438,546,236.76/75,092.32
  6. Step 6: Final answer
    x = 59,107.86

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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.