Home / 51,215.08-70,651.69-34,223.49

Finding the Fourth Proportional to 51,215.08, 70,651.69 and 34,223.49

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Solution

The fourth proportional to 51,215.08, 70,651.69 and 34,223.49 is: 47,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.08 : 70,651.69 = 34,223.49 : x
  2. Step 2: Convert to fraction form
    51,215.08/70,651.69 = 34,223.49/x
  3. Step 3: Cross multiply
    51,215.08x = 70,651.69 × 34,223.49
  4. Step 4: Simplify right side
    51,215.08x = 2,417,947,651.13
  5. Step 5: Solve for x
    x = 2,417,947,651.13/51,215.08
  6. Step 6: Final answer
    x = 47,211.64

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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.