Home / 62,649.12-93,973.92-20,528.88

Finding the Fourth Proportional to 62,649.12, 93,973.92 and 20,528.88

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Solution

The fourth proportional to 62,649.12, 93,973.92 and 20,528.88 is: 30,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649.12 : 93,973.92 = 20,528.88 : x
  2. Step 2: Convert to fraction form
    62,649.12/93,973.92 = 20,528.88/x
  3. Step 3: Cross multiply
    62,649.12x = 93,973.92 × 20,528.88
  4. Step 4: Simplify right side
    62,649.12x = 1,929,179,326.81
  5. Step 5: Solve for x
    x = 1,929,179,326.81/62,649.12
  6. Step 6: Final answer
    x = 30,793.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.