Home / 61,838.12-85,338.70-36,344.12

Finding the Fourth Proportional to 61,838.12, 85,338.70 and 36,344.12

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Solution

The fourth proportional to 61,838.12, 85,338.70 and 36,344.12 is: 50,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.12 : 85,338.70 = 36,344.12 : x
  2. Step 2: Convert to fraction form
    61,838.12/85,338.70 = 36,344.12/x
  3. Step 3: Cross multiply
    61,838.12x = 85,338.70 × 36,344.12
  4. Step 4: Simplify right side
    61,838.12x = 3,101,559,953.44
  5. Step 5: Solve for x
    x = 3,101,559,953.44/61,838.12
  6. Step 6: Final answer
    x = 50,156.12

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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.