Home / 55,668.50-76,823.52-30,175.70

Finding the Fourth Proportional to 55,668.50, 76,823.52 and 30,175.70

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Solution

The fourth proportional to 55,668.50, 76,823.52 and 30,175.70 is: 41,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.50 : 76,823.52 = 30,175.70 : x
  2. Step 2: Convert to fraction form
    55,668.50/76,823.52 = 30,175.70/x
  3. Step 3: Cross multiply
    55,668.50x = 76,823.52 × 30,175.70
  4. Step 4: Simplify right side
    55,668.50x = 2,318,203,492.46
  5. Step 5: Solve for x
    x = 2,318,203,492.46/55,668.50
  6. Step 6: Final answer
    x = 41,643.00

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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.