Home / 53,200.20-79,800.30-38,547.30

Finding the Fourth Proportional to 53,200.20, 79,800.30 and 38,547.30

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Solution

The fourth proportional to 53,200.20, 79,800.30 and 38,547.30 is: 57,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.20 : 79,800.30 = 38,547.30 : x
  2. Step 2: Convert to fraction form
    53,200.20/79,800.30 = 38,547.30/x
  3. Step 3: Cross multiply
    53,200.20x = 79,800.30 × 38,547.30
  4. Step 4: Simplify right side
    53,200.20x = 3,076,086,104.19
  5. Step 5: Solve for x
    x = 3,076,086,104.19/53,200.20
  6. Step 6: Final answer
    x = 57,820.95

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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.