Home / 70,784.25-106,218.77-26,442.17

Finding the Fourth Proportional to 70,784.25, 106,218.77 and 26,442.17

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Solution

The fourth proportional to 70,784.25, 106,218.77 and 26,442.17 is: 39,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.25 : 106,218.77 = 26,442.17 : x
  2. Step 2: Convert to fraction form
    70,784.25/106,218.77 = 26,442.17/x
  3. Step 3: Cross multiply
    70,784.25x = 106,218.77 × 26,442.17
  4. Step 4: Simplify right side
    70,784.25x = 2,808,654,773.53
  5. Step 5: Solve for x
    x = 2,808,654,773.53/70,784.25
  6. Step 6: Final answer
    x = 39,679.09

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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.