Home / 84,942.90-127,429.65-34,995.69

Finding the Fourth Proportional to 84,942.90, 127,429.65 and 34,995.69

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Solution

The fourth proportional to 84,942.90, 127,429.65 and 34,995.69 is: 52,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.90 : 127,429.65 = 34,995.69 : x
  2. Step 2: Convert to fraction form
    84,942.90/127,429.65 = 34,995.69/x
  3. Step 3: Cross multiply
    84,942.90x = 127,429.65 × 34,995.69
  4. Step 4: Simplify right side
    84,942.90x = 4,459,488,528.21
  5. Step 5: Solve for x
    x = 4,459,488,528.21/84,942.90
  6. Step 6: Final answer
    x = 52,499.84

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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.