Home / 70,813.61-106,181.58-28,075.74

Finding the Fourth Proportional to 70,813.61, 106,181.58 and 28,075.74

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Solution

The fourth proportional to 70,813.61, 106,181.58 and 28,075.74 is: 42,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,813.61 : 106,181.58 = 28,075.74 : x
  2. Step 2: Convert to fraction form
    70,813.61/106,181.58 = 28,075.74/x
  3. Step 3: Cross multiply
    70,813.61x = 106,181.58 × 28,075.74
  4. Step 4: Simplify right side
    70,813.61x = 2,981,125,761.58
  5. Step 5: Solve for x
    x = 2,981,125,761.58/70,813.61
  6. Step 6: Final answer
    x = 42,098.21

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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.