Home / 51,065.71-70,451.35-31,675.65

Finding the Fourth Proportional to 51,065.71, 70,451.35 and 31,675.65

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Solution

The fourth proportional to 51,065.71, 70,451.35 and 31,675.65 is: 43,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.71 : 70,451.35 = 31,675.65 : x
  2. Step 2: Convert to fraction form
    51,065.71/70,451.35 = 31,675.65/x
  3. Step 3: Cross multiply
    51,065.71x = 70,451.35 × 31,675.65
  4. Step 4: Simplify right side
    51,065.71x = 2,231,592,304.63
  5. Step 5: Solve for x
    x = 2,231,592,304.63/51,065.71
  6. Step 6: Final answer
    x = 43,700.41

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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.