Home / 55,630.08-76,770.05-31,756.68

Finding the Fourth Proportional to 55,630.08, 76,770.05 and 31,756.68

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Solution

The fourth proportional to 55,630.08, 76,770.05 and 31,756.68 is: 43,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.08 : 76,770.05 = 31,756.68 : x
  2. Step 2: Convert to fraction form
    55,630.08/76,770.05 = 31,756.68/x
  3. Step 3: Cross multiply
    55,630.08x = 76,770.05 × 31,756.68
  4. Step 4: Simplify right side
    55,630.08x = 2,437,961,752.65
  5. Step 5: Solve for x
    x = 2,437,961,752.65/55,630.08
  6. Step 6: Final answer
    x = 43,824.52

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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.